Warning: Permanently added '10.128.1.245' (ED25519) to the list of known hosts. 2025/07/07 12:49:39 ignoring optional flag "sandboxArg"="0" 2025/07/07 12:49:40 parsed 1 programs [ 114.166344][ T5864] cgroup: Unknown subsys name 'net' [ 114.298339][ T5864] cgroup: Unknown subsys name 'cpuset' [ 114.307431][ T5864] cgroup: Unknown subsys name 'rlimit' [ 115.764927][ T5864] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 118.395304][ T5882] [ 118.397799][ T5882] ============================= [ 118.402623][ T5882] WARNING: suspicious RCU usage [ 118.407566][ T5882] 6.16.0-rc4-next-20250704-syzkaller #0 Not tainted [ 118.414128][ T5882] ----------------------------- [ 118.418989][ T5882] fs/proc/proc_sysctl.c:934 suspicious rcu_dereference_check() usage! [ 118.427131][ T5882] [ 118.427131][ T5882] other info that might help us debug this: [ 118.427131][ T5882] [ 118.437369][ T5882] [ 118.437369][ T5882] rcu_scheduler_active = 2, debug_locks = 1 [ 118.445437][ T5882] 3 locks held by syz-executor/5882: [ 118.450700][ T5882] #0: ffff88807c4c6428 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 118.459848][ T5882] #1: ffff888031629c20 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: path_openat+0x8cb/0x3830 [ 118.470297][ T5882] #2: ffff8880729b36d8 (&lockref->lock){+.+.}-{3:3}, at: d_alloc_parallel+0xbe4/0x15e0 [ 118.480070][ T5882] [ 118.480070][ T5882] stack backtrace: [ 118.485985][ T5882] CPU: 1 UID: 0 PID: 5882 Comm: syz-executor Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) [ 118.485999][ T5882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 118.486011][ T5882] Call Trace: [ 118.486017][ T5882] [ 118.486022][ T5882] dump_stack_lvl+0x189/0x250 [ 118.486040][ T5882] ? __pfx_dump_stack_lvl+0x10/0x10 [ 118.486052][ T5882] ? __pfx__printk+0x10/0x10 [ 118.486073][ T5882] lockdep_rcu_suspicious+0x140/0x1d0 [ 118.486087][ T5882] proc_sys_compare+0x27d/0x2c0 [ 118.486097][ T5882] ? __pfx_proc_sys_compare+0x10/0x10 [ 118.486109][ T5882] d_alloc_parallel+0x1060/0x15e0 [ 118.486125][ T5882] ? d_alloc_parallel+0x2f0/0x15e0 [ 118.486138][ T5882] ? __pfx_d_alloc_parallel+0x10/0x10 [ 118.486148][ T5882] ? __pfx_default_wake_function+0x10/0x10 [ 118.486171][ T5882] path_openat+0xa3b/0x3830 [ 118.486181][ T5882] ? arch_stack_walk+0xfc/0x150 [ 118.486211][ T5882] ? __pfx_path_openat+0x10/0x10 [ 118.486220][ T5882] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 118.486241][ T5882] do_filp_open+0x1fa/0x410 [ 118.486251][ T5882] ? __lock_acquire+0xab9/0xd20 [ 118.486267][ T5882] ? __pfx_do_filp_open+0x10/0x10 [ 118.486289][ T5882] ? _raw_spin_unlock+0x28/0x50 [ 118.486300][ T5882] ? alloc_fd+0x64c/0x6c0 [ 118.486319][ T5882] do_sys_openat2+0x121/0x1c0 [ 118.486337][ T5882] ? __pfx_do_sys_openat2+0x10/0x10 [ 118.486351][ T5882] ? fput_close_sync+0x119/0x200 [ 118.486368][ T5882] ? __pfx_fput_close_sync+0x10/0x10 [ 118.486387][ T5882] __x64_sys_openat+0x138/0x170 [ 118.486399][ T5882] do_syscall_64+0xfa/0x3b0 [ 118.486413][ T5882] ? lockdep_hardirqs_on+0x9c/0x150 [ 118.486425][ T5882] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 118.486434][ T5882] ? clear_bhb_loop+0x60/0xb0 [ 118.486447][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 118.486457][ T5882] RIP: 0033:0x7f8959f8d211 [ 118.486473][ T5882] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 3a 93 1f 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 118.486482][ T5882] RSP: 002b:00007ffe6aac0480 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 118.486493][ T5882] RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f8959f8d211 [ 118.486500][ T5882] RDX: 0000000000080001 RSI: 00007f895a02b050 RDI: 00000000ffffff9c [ 118.486507][ T5882] RBP: 00007f895a02b050 R08: 0000000000000000 R09: 0000000000000000 [ 118.486513][ T5882] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 118.486519][ T5882] R13: 00007ffe6aac0520 R14: 0000000000000009 R15: 0000000000000000 [ 118.486534][ T5882] [ 119.173658][ T5882] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 119.483127][ T5907] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 119.491879][ T5907] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 119.505300][ T5907] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 119.513721][ T5907] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 119.525753][ T5907] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 120.930656][ T5909] chnl_net:caif_netlink_parms(): no params data found [ 121.605438][ T5909] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.612656][ T5909] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.645041][ T5909] bridge_slave_0: entered allmulticast mode [ 121.671579][ T5909] bridge_slave_0: entered promiscuous mode [ 121.729522][ T5909] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.743878][ T5909] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.751877][ T5909] bridge_slave_1: entered allmulticast mode [ 121.759874][ T5909] bridge_slave_1: entered promiscuous mode [ 121.875664][ T5909] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 121.888711][ T5909] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 121.925233][ T133] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.933943][ T133] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.965447][ T5909] team0: Port device team_slave_0 added [ 122.028737][ T5909] team0: Port device team_slave_1 added [ 122.050846][ T133] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.059221][ T133] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.317642][ T5909] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 122.344849][ T5909] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 122.404860][ T5909] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 122.469050][ T5909] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 122.486529][ T5909] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 122.532840][ T5909] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 122.626841][ T5909] hsr_slave_0: entered promiscuous mode [ 122.633163][ T5909] hsr_slave_1: entered promiscuous mode [ 122.803946][ T5909] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 122.817061][ T5909] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 122.827433][ T5909] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 122.837527][ T5909] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 122.908845][ T5909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 122.928973][ T5909] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.942303][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 122.949602][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 122.964292][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 122.971458][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 123.131704][ T5909] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 123.176280][ T5909] veth0_vlan: entered promiscuous mode [ 123.186892][ T5909] veth1_vlan: entered promiscuous mode [ 123.214487][ T5909] veth0_macvtap: entered promiscuous mode [ 123.224079][ T5909] veth1_macvtap: entered promiscuous mode [ 123.242078][ T5909] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 123.259795][ T5909] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 123.274735][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.285813][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.299560][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.309616][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/07/07 12:49:52 executed programs: 0 [ 123.512867][ T5907] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 123.521076][ T5907] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 123.529411][ T5907] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 123.541863][ T5977] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 123.552961][ T51] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 123.561321][ T51] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 123.570042][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 123.592325][ T5983] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 123.604000][ T5983] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 123.606524][ T1003] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 123.613213][ T5983] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 123.631669][ T5982] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 123.631998][ T5983] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 123.640035][ T5986] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 123.654628][ T5983] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 123.655979][ T5986] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 123.662086][ T5983] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 123.670164][ T5166] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 123.678456][ T5983] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 123.683099][ T5166] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 123.691154][ T5983] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 123.698604][ T5166] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 123.712957][ T5986] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 123.713145][ T5977] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 123.720809][ T5166] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 123.736189][ T5982] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 123.936360][ T1003] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 123.997418][ T1003] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.109508][ T1003] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.440379][ T5971] chnl_net:caif_netlink_parms(): no params data found [ 124.553591][ T5975] chnl_net:caif_netlink_parms(): no params data found [ 124.682924][ T5972] chnl_net:caif_netlink_parms(): no params data found [ 124.780199][ T5981] chnl_net:caif_netlink_parms(): no params data found [ 124.797222][ T5973] chnl_net:caif_netlink_parms(): no params data found [ 124.853660][ T5971] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.860994][ T5971] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.868558][ T5971] bridge_slave_0: entered allmulticast mode [ 124.876176][ T5971] bridge_slave_0: entered promiscuous mode [ 124.933595][ T5971] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.941364][ T5971] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.948951][ T5971] bridge_slave_1: entered allmulticast mode [ 124.957094][ T5971] bridge_slave_1: entered promiscuous mode [ 124.988608][ T5975] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.995962][ T5975] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.003121][ T5975] bridge_slave_0: entered allmulticast mode [ 125.010435][ T5975] bridge_slave_0: entered promiscuous mode [ 125.072463][ T5975] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.079684][ T5975] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.087373][ T5975] bridge_slave_1: entered allmulticast mode [ 125.094359][ T5975] bridge_slave_1: entered promiscuous mode [ 125.123495][ T5971] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 125.132830][ T5972] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.141676][ T5972] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.149640][ T5972] bridge_slave_0: entered allmulticast mode [ 125.157555][ T5972] bridge_slave_0: entered promiscuous mode [ 125.166421][ T5972] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.173549][ T5972] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.181221][ T5972] bridge_slave_1: entered allmulticast mode [ 125.189856][ T5972] bridge_slave_1: entered promiscuous mode [ 125.266845][ T5971] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.305697][ T5981] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.312994][ T5981] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.321187][ T5981] bridge_slave_0: entered allmulticast mode [ 125.328719][ T5981] bridge_slave_0: entered promiscuous mode [ 125.356150][ T5975] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 125.366537][ T5973] bridge0: port 1(bridge_slave_0) entered blocking state [ 125.373616][ T5973] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.381385][ T5973] bridge_slave_0: entered allmulticast mode [ 125.389452][ T5973] bridge_slave_0: entered promiscuous mode [ 125.411523][ T5971] team0: Port device team_slave_0 added [ 125.428729][ T5981] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.436478][ T5981] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.443736][ T5981] bridge_slave_1: entered allmulticast mode [ 125.451511][ T5981] bridge_slave_1: entered promiscuous mode [ 125.473776][ T5975] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.498192][ T5973] bridge0: port 2(bridge_slave_1) entered blocking state [ 125.505611][ T5973] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.512749][ T5973] bridge_slave_1: entered allmulticast mode [ 125.520209][ T5973] bridge_slave_1: entered promiscuous mode [ 125.529071][ T5971] team0: Port device team_slave_1 added [ 125.553849][ T5972] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 125.635744][ T5971] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 125.642804][ T5971] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 125.669092][ T5971] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 125.682914][ T5972] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.706011][ T5981] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 125.717281][ T5975] team0: Port device team_slave_0 added [ 125.725934][ T5981] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.738154][ T5973] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 125.752645][ T5973] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.762826][ T5971] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 125.769805][ T5971] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 125.777046][ T5166] Bluetooth: hci4: command tx timeout [ 125.796201][ T51] Bluetooth: hci3: command tx timeout [ 125.802230][ T5166] Bluetooth: hci2: command tx timeout [ 125.807149][ T5907] Bluetooth: hci1: command tx timeout [ 125.812933][ T5978] Bluetooth: hci0: command tx timeout [ 125.818785][ T5971] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 125.857048][ T5975] team0: Port device team_slave_1 added [ 125.867117][ T5972] team0: Port device team_slave_0 added [ 125.927283][ T5973] team0: Port device team_slave_0 added [ 125.962368][ T5972] team0: Port device team_slave_1 added [ 125.985842][ T5981] team0: Port device team_slave_0 added [ 125.994033][ T5973] team0: Port device team_slave_1 added [ 126.019493][ T5971] hsr_slave_0: entered promiscuous mode [ 126.026120][ T5971] hsr_slave_1: entered promiscuous mode [ 126.032132][ T5971] debugfs: 'hsr0' already exists in 'hsr' [ 126.038062][ T5971] Cannot create hsr debugfs directory [ 126.099838][ T5972] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 126.107104][ T5972] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.133490][ T5972] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 126.148581][ T5981] team0: Port device team_slave_1 added [ 126.179439][ T5973] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 126.186552][ T5973] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.213029][ T5973] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 126.225032][ T5975] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 126.231983][ T5975] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.258187][ T5975] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 126.271003][ T5975] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 126.278102][ T5975] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.304271][ T5975] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 126.329106][ T5972] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 126.337543][ T5972] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.363825][ T5972] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 126.404590][ T5973] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 126.411754][ T5973] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.437806][ T5973] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 126.517246][ T5981] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 126.524193][ T5981] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.551260][ T5981] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 126.563978][ T5981] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 126.571742][ T5981] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 126.598891][ T5981] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 126.651119][ T5975] hsr_slave_0: entered promiscuous mode [ 126.658311][ T5975] hsr_slave_1: entered promiscuous mode [ 126.664337][ T5975] debugfs: 'hsr0' already exists in 'hsr' [ 126.670281][ T5975] Cannot create hsr debugfs directory [ 126.708742][ T1003] bridge_slave_1: left allmulticast mode [ 126.714540][ T1003] bridge_slave_1: left promiscuous mode [ 126.721994][ T1003] bridge0: port 2(bridge_slave_1) entered disabled state [ 126.734000][ T1003] bridge_slave_0: left allmulticast mode [ 126.743152][ T1003] bridge_slave_0: left promiscuous mode [ 126.749242][ T1003] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.988299][ T1003] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 126.999558][ T1003] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 127.010301][ T1003] bond0 (unregistering): Released all slaves [ 127.140695][ T5972] hsr_slave_0: entered promiscuous mode [ 127.147688][ T5972] hsr_slave_1: entered promiscuous mode [ 127.154369][ T5972] debugfs: 'hsr0' already exists in 'hsr' [ 127.160631][ T5972] Cannot create hsr debugfs directory [ 127.206899][ T5973] hsr_slave_0: entered promiscuous mode [ 127.213220][ T5973] hsr_slave_1: entered promiscuous mode [ 127.219890][ T5973] debugfs: 'hsr0' already exists in 'hsr' [ 127.225919][ T5973] Cannot create hsr debugfs directory [ 127.236594][ T1003] hsr_slave_0: left promiscuous mode [ 127.242998][ T1003] hsr_slave_1: left promiscuous mode [ 127.249395][ T1003] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 127.257004][ T1003] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 127.267581][ T1003] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 127.275143][ T1003] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 127.292996][ T1003] veth1_macvtap: left promiscuous mode [ 127.299471][ T1003] veth0_macvtap: left promiscuous mode [ 127.306207][ T1003] veth1_vlan: left promiscuous mode [ 127.311592][ T1003] veth0_vlan: left promiscuous mode [ 127.622365][ T1003] team0 (unregistering): Port device team_slave_1 removed [ 127.658759][ T1003] team0 (unregistering): Port device team_slave_0 removed [ 127.856949][ T5978] Bluetooth: hci0: command tx timeout [ 127.857213][ T51] Bluetooth: hci3: command tx timeout [ 127.862373][ T5978] Bluetooth: hci2: command tx timeout [ 127.868000][ T5907] Bluetooth: hci1: command tx timeout [ 127.873416][ T5166] Bluetooth: hci4: command tx timeout [ 127.962393][ T5981] hsr_slave_0: entered promiscuous mode [ 127.972430][ T5981] hsr_slave_1: entered promiscuous mode