bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P846/1:b..l rcu: (detected by 0, t=10503 jiffies, g=22061, q=631 ncpus=2) task:kworker/0:2 state:R running task stack:24600 pid:846 tgid:846 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: events_power_efficient gc_worker Call Trace: context_switch kernel/sched/core.c:5351 [inline] __schedule+0x1737/0x4d30 kernel/sched/core.c:6954 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7281 irqentry_exit+0x6f/0x90 kernel/entry/common.c:196 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:seqcount_lockdep_reader_access+0x17e/0x1c0 include/linux/seqlock.h:75 Code: f8 4d 85 e4 75 16 e8 51 62 1d f8 eb 15 e8 4a 62 1d f8 e8 b5 7a cd 01 4d 85 e4 74 ea e8 3b 62 1d f8 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00 RSP: 0018:ffffc90003527860 EFLAGS: 00000293 RAX: ffffffff89a24e75 RBX: 0000000000000000 RCX: ffff8880249e1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003527910 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: 0000000000000200 R13: ffff888024ac0118 R14: 1ffff920006a4f0c R15: dffffc0000000000 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:342 [inline] gc_worker+0x308/0x1380 net/netfilter/nf_conntrack_core.c:1548 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 17276 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) net_ratelimit: 16873 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1) bridge0: received packet on veth0_to_bridge with own address as source address (addr:1a:40:2e:7b:85:61, vlan:1)