bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5938/1:b..l rcu: (detected by 0, t=10503 jiffies, g=42101, q=422 ncpus=2) task:kworker/0:7 state:R running task stack:26600 pid:5938 tgid:5938 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_power_efficient gc_worker Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256 irqentry_exit+0x36/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 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 68 e5 83 90 e8 57 b4 12 f8 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 35 d6 36 f8 58 48 85 db 0f 85 d4 0f 00 00 b6 da 36 f8 8b 1d 60 87 fd 06 41 89 dc 31 ff 41 83 e4 01 44 89 RSP: 0018:ffffc9000464fb48 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89866939 RDX: ffff888078172480 RSI: ffffffff89866948 RDI: 0000000000000007 RBP: ffffffff9afbf2ac R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888024000000 R13: 0000000000040000 R14: dffffc0000000000 R15: 0000000000001770 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 15947 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) net_ratelimit: 16401 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:ce:52:fb:25:28, vlan:0)