bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:c1:74:84:1c:ef, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5930/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=18341, q=1260 ncpus=2)
task:kworker/1:7     state:R  running task     stack:24424 pid:5930  tgid:5930  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient gc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
 irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_release+0x19e/0x2e0 kernel/locking/lockdep.c:5893
Code: ff 65 0f c1 05 1b 5d 01 12 83 f8 01 0f 85 f7 00 00 00 9c 58 f6 c4 02 0f 85 0c 01 00 00 41 f7 c6 00 02 00 00 0f 85 99 00 00 00 <48> 8b 44 24 10 65 48 2b 05 ad 15 01 12 0f 85 0f 01 00 00 48 83 c4
RSP: 0000:ffffc9000472fa98 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e5e3360 RCX: ffffc9000472faa4
RDX: 0000000000000002 RSI: ffffffff8dc1ea56 RDI: ffffffff8bfa35a0
RBP: ffffffff89981269 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802be58000
R13: 0000000000040000 R14: 0000000000000206 R15: 0000000000000003
 rcu_lock_release include/linux/rcupdate.h:341 [inline]
 rcu_read_unlock include/linux/rcupdate.h:897 [inline]
 gc_worker+0x94e/0x1630 net/netfilter/nf_conntrack_core.c:1617
 process_one_work+0x9c2/0x1840 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
 kthread+0x3b3/0x730 kernel/kthread.c:463
 ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
net_ratelimit: 17329 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:c1:74:84:1c:ef, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:c1:74:84:1c:ef, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:c1:74:84:1c:ef, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:c1:74:84:1c:ef, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:c1:74:84:1c:ef, vlan:0)