device lo entered promiscuous mode
IPVS: You probably need to specify IP address on multicast interface.
IPVS: sync thread started: state = MASTER, mcast_ifn = lo, syncid = 0, id = 0
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 1799 Comm: kworker/1:2 Not tainted 4.4.138-gcf21a9a #64
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xfrm_hash_rebuild
task: ffff8800b6fa6000 task.stack: ffff8800b6bc0000
RIP: 0010:[<ffffffff833c7774>]  [<ffffffff833c7774>] xfrm_hash_rebuild+0x4c4/0xae0 net/xfrm/xfrm_policy.c:633
RSP: 0018:ffff8800b6bc7bb8  EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 000000000000001e
RDX: 0000000000000000 RSI: ffffffff833c6482 RDI: ffff8801be371620
RBP: ffff8800b6bc7c40 R08: ffffffff85322b70 R09: 0000000000000000
R10: 0000000000000001 R11: ffff8800b6fa6000 R12: ffff8801bb99cc80
R13: 0000000000000001 R14: ffff8801be371618 R15: ffff8801be3715e8
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f921000 CR3: 00000001c676a000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff81181f4f ffff8800b6bc7c00 ffffed0037c6e2c1 ffff8801be37160c
 ffff8801be3719b8 ffff8801be371680 1ffff10037c6e280 ffff8801be37171d
 ffff8801be3715b8 ffff8801be370000 ffff8801be371678 0000000000000002
Call Trace:
 [<ffffffff81181f4f>] process_one_work+0x7df/0x1600 kernel/workqueue.c:2064
 [<ffffffff81182e49>] worker_thread+0xd9/0xfc0 kernel/workqueue.c:2196
 [<ffffffff81190958>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff838c2b55>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
Code: 7c 08 84 d2 0f 85 43 04 00 00 48 8b 7d c0 49 8d b4 24 f4 00 00 00 41 0f b7 94 24 74 02 00 00 e8 23 ec ff ff 49 89 c5 48 c1 e8 03 <80> 3c 18 00 0f 85 eb 03 00 00 49 8b 55 00 49 8d 44 24 08 48 89 
RIP  [<ffffffff833c7774>] xfrm_hash_rebuild+0x4c4/0xae0 net/xfrm/xfrm_policy.c:633
 RSP <ffff8800b6bc7bb8>
---[ end trace a4e5e0ce149dafc6 ]---