device erspan0 entered promiscuous mode
IPVS: ftp: loaded support on port[0] = 21
bridge0: port 3(erspan0) entered blocking state
bridge0: port 3(erspan0) entered forwarding state
------------[ cut here ]------------
kernel BUG at net/ipv4/tcp_output.c:2837!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.17.0-rc1+ #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__tcp_retransmit_skb+0x2992/0x2eb0 net/ipv4/tcp_output.c:2837
RSP: 0018:ffff8801daf06ff8 EFLAGS: 00010206
RAX: ffff8801d9ad2340 RBX: 00000000ffc18a16 RCX: ffffffff864efaf9
RDX: 0000000000000100 RSI: ffffffff864f0ec2 RDI: 0000000000000005
RBP: ffff8801daf073a0 R08: ffff8801d9ad2340 R09: ffffed00398e68da
R10: ffffed00398e68da R11: ffff8801cc7346d3 R12: 00000000a37fa5d6
R13: ffff8801cc73458e R14: ffff8801cc734500 R15: ffff8801d6f4ea80
FS:  0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bc27000 CR3: 00000001a061e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 tcp_retransmit_skb+0x2e/0x250 net/ipv4/tcp_output.c:2923
 tcp_retransmit_timer+0xc50/0x3060 net/ipv4/tcp_timer.c:488
 tcp_write_timer_handler+0x339/0x960 net/ipv4/tcp_timer.c:573
 tcp_write_timer+0x111/0x1d0 net/ipv4/tcp_timer.c:593
 call_timer_fn+0x230/0x940 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x79e/0xc50 kernel/time/timer.c:1666
 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692
 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285
 invoke_softirq kernel/softirq.c:365 [inline]
 irq_exit+0x1d1/0x200 kernel/softirq.c:405
 exiting_irq arch/x86/include/asm/apic.h:525 [inline]
 smp_apic_timer_interrupt+0x17e/0x710 arch/x86/kernel/apic/apic.c:1052
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863
 </IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54
RSP: 0018:ffff8801d9ae7c38 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 1ffff1003b35cf8a RCX: 0000000000000000
RDX: 1ffffffff11a3130 RSI: 0000000000000001 RDI: ffffffff88d18980
RBP: ffff8801d9ae7c38 R08: ffffed003b5e46c3 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8801d9ae7cf0 R14: ffffffff897c0920 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xc2/0x440 arch/x86/kernel/process.c:354
 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:345
 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x395/0x560 kernel/sched/idle.c:262
 cpu_startup_entry+0x104/0x120 kernel/sched/idle.c:368
 start_secondary+0x426/0x5b0 arch/x86/kernel/smpboot.c:267
 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:242
Code: 67 fb e9 20 dc ff ff 48 89 df e8 ea 49 67 fb e9 a5 ee ff ff be 0c 00 00 00 4c 89 ef e8 18 4a 67 fb e9 69 ef ff ff e8 5e 21 2a fb <0f> 0b 4c 89 e7 e8 a4 49 67 fb e9 77 f2 ff ff 48 89 df e8 f7 48 
RIP: __tcp_retransmit_skb+0x2992/0x2eb0 net/ipv4/tcp_output.c:2837 RSP: ffff8801daf06ff8
---[ end trace 4d89f6c27035893b ]---