bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6258/1:b..l rcu: (detected by 0, t=10503 jiffies, g=42045, q=1191 ncpus=2) task:kworker/1:6 state:R running task stack:22616 pid:6258 tgid:6258 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: events_power_efficient gc_worker Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288 irqentry_exit+0x36/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__seqprop_spinlock_sequence include/linux/seqlock.h:227 [inline] RIP: 0010:nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:342 [inline] RIP: 0010:gc_worker+0x2d5/0x16e0 net/netfilter/nf_conntrack_core.c:1548 Code: 00 00 48 c7 c7 a8 24 ac 90 e8 87 d9 dc f7 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 f5 9f 00 f8 58 48 85 db 0f 85 d4 0f 00 00 76 a4 00 f8 8b 1d 90 2b f1 06 41 89 dc 31 ff 41 83 e4 01 44 89 RSP: 0018:ffffc9000bb4fb58 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89bb0449 RDX: ffff888026bd0000 RSI: ffffffff89bb0458 RDI: 0000000000000007 RBP: ffffffff9b2ce3ac R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888031200000 R13: 0000000000040000 R14: dffffc0000000000 R15: 0000000000001770 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ae:89:79:08:2d:cb, vlan:0)