bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10/1:b..l rcu: (detected by 1, t=10503 jiffies, g=29713, q=1151 ncpus=2) task:kworker/0:1 state:R running task stack:23936 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_power_efficient gc_worker Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7238 irqentry_exit+0x599/0x620 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:seqcount_lockdep_reader_access+0xed/0x100 include/linux/seqlock.h:76 Code: 00 75 11 e8 c5 3c fb f7 4d 85 f6 75 16 e8 bb 3c fb f7 eb 15 e8 b4 3c fb f7 e8 6f fa e4 01 4d 85 f6 74 ea e8 a5 3c fb f7 fb 5b <41> 5e e9 d7 c8 45 f7 cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 RSP: 0018:ffffc900000f7970 EFLAGS: 00000293 RAX: ffffffff89ca782b RBX: 0000000000000001 RCX: ffff88801d6a3d00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900000f7ad0 R08: ffffffff9011ceb7 R09: 1ffffffff20239d6 R10: dffffc0000000000 R11: fffffbfff20239d7 R12: dffffc0000000000 R13: ffff88813fe25318 R14: 0000000000000200 R15: 00000000000027bf nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:343 [inline] gc_worker+0x304/0x1290 net/netfilter/nf_conntrack_core.c:1548 process_one_work kernel/workqueue.c:3276 [inline] process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 17782 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:75:4e:64:7c:5d, vlan:0)