bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P9228/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=54385, q=2120 ncpus=2)
task:kworker/0:1     state:R  running task     stack:27096 pid:9228  tgid:9228  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient gc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6911
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238
 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x5e/0x380 kernel/locking/lockdep.c:5872
Code: 05 bb 12 29 12 83 f8 07 0f 87 f0 00 00 00 48 0f a3 05 86 62 f5 0e 0f 82 c2 02 00 00 8b 35 4e 96 f5 0e 85 f6 0f 85 dd 00 00 00 <48> 8b 44 24 30 65 48 2b 05 5d 12 29 12 0f 85 02 03 00 00 48 83 c4
RSP: 0018:ffffc9000471fad0 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8de59977 RDI: ffffffff8c1b0aa0
RBP: ffffffff8e7e74e0 R08: 00000000b9c23401 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
 rcu_read_lock include/linux/rcupdate.h:850 [inline]
 gc_worker+0x222/0x1630 net/netfilter/nf_conntrack_core.c:1546
 process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
 process_scheduled_works kernel/workqueue.c:3359 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:3d:e0:ef:40:67, vlan:0)