------------[ cut here ]------------
name 'ip6_tables_names'
WARNING: CPU: 0 PID: 11071 at fs/proc/generic.c:670 remove_proc_entry+0xc10/0xf90 fs/proc/generic.c:670
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 11071 Comm: kworker/u4:0 Not tainted 4.18.0-rc5+ #29
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1e0 lib/dump_stack.c:113
 panic+0x3d0/0x9b0 kernel/panic.c:184
 __warn+0x40f/0x580 kernel/panic.c:536
 report_bug+0x72a/0x880 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0x1fe/0x710 arch/x86/kernel/traps.c:298
 do_invalid_op+0x46/0x50 arch/x86/kernel/traps.c:318
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:999
RIP: 0010:remove_proc_entry+0xc10/0xf90 fs/proc/generic.c:670
Code: 48 09 d0 48 89 81 68 09 00 00 48 c7 81 80 0c 00 00 00 00 00 00 48 c7 c7 14 de e9 8a 31 c0 48 8b b5 68 ff ff ff e8 60 e1 1b ff <0f> 0b 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 0f 85 63 03 00 00 48 
RSP: 0018:ffff8801a7fefa20 EFLAGS: 00010246
RAX: 6242c8fc08d1d000 RBX: 0000000000000000 RCX: ffff880123473b00
RDX: 0000000000000000 RSI: aaaaaaaaaaaab000 RDI: ffffea0000423180
RBP: ffff8801a7fefaf0 R08: 0000000000480020 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff8675bad0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 xt_proto_fini+0x14e/0x300 net/netfilter/x_tables.c:1808
 ip6_tables_net_exit+0x40/0x50 net/ipv6/netfilter/ip6_tables.c:1922
 ops_exit_list net/core/net_namespace.c:152 [inline]
 cleanup_net+0xaf4/0x1710 net/core/net_namespace.c:523
 process_one_work+0x1655/0x2000 kernel/workqueue.c:2153
 worker_thread+0x1136/0x2490 kernel/workqueue.c:2296
 kthread+0x473/0x4b0 kernel/kthread.c:247
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:415
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..