do_setlink+0x99f/0x2d50 net/core/rtnetlink.c:2077
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2835 at net/batman-adv/bat_iv_ogm.c:555 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:555 [inline]
WARNING: CPU: 0 PID: 2835 at net/batman-adv/bat_iv_ogm.c:555 batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 net/batman-adv/bat_iv_ogm.c:1797
Kernel panic - not syncing: panic_on_warn set ...

 rtnl_newlink+0x11a7/0x1700 net/core/rtnetlink.c:2630
 rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285
 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297
 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312
 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459ef9
RSP: 002b:00007f3760d62c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3760d62c90 RCX: 0000000000459ef9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3760d636d4
R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
CPU: 0 PID: 2835 Comm: kworker/u4:5 Not tainted 4.14.150 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
batman_adv: batadv0: Adding interface: veth131
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x197 lib/dump_stack.c:53
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x2f/0x2f kernel/panic.c:547
 report_bug+0x216/0x254 lib/bug.c:186
batman_adv: batadv0: The MTU of interface veth131 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:555 [inline]
RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 net/batman-adv/bat_iv_ogm.c:1797
batman_adv: batadv0: Interface activated: veth131
RSP: 0018:ffff88809d837cc8 EFLAGS: 00010297
RAX: ffff88809d828400 RBX: ffff888060561988 RCX: ffff88809d828c80
RDX: 0000000000000000 RSI: ffffffff8778f6e0 RDI: ffff88800ca0b868
RBP: ffff88809d837d38 R08: 00000000000012e3 R09: ffffffff88c8abd8
R10: ffff88809d828ca8 R11: ffff88809d828400 R12: ffff888056c1ddc0
R13: ffff888060561940 R14: ffff8880995e5000 R15: ffff88800ca0b800
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
kobject: 'veth138' (ffff8880921f90f0): kobject_add_internal: parent: 'net', set: 'devices'
 kthread+0x319/0x430 kernel/kthread.c:232
kobject: 'veth138' (ffff8880921f90f0): kobject_uevent_env
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..