hsr_slave_1: Device is already in use.
device hsr_slave_1 left promiscuous mode
veth1_vlan: Device is already in use.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8508 at drivers/net/ipvlan/ipvlan_main.c:65 ipvlan_unregister_nf_hook.cold+0x11/0x1d drivers/net/ipvlan/ipvlan_main.c:65
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8508 Comm: syz-executor794 Not tainted 4.19.108-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x46 kernel/panic.c:541
 report_bug+0x262/0x2a0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:ipvlan_unregister_nf_hook.cold+0x11/0x1d drivers/net/ipvlan/ipvlan_main.c:65
Code: 24 e8 10 c2 53 fd 48 8b 04 24 e9 cc f7 ff ff e8 02 c2 53 fd e9 a5 f7 ff ff e8 58 fb 1d fd 48 c7 c7 40 a2 d4 87 e8 85 19 09 fd <0f> 0b e9 08 d5 ff ff 90 90 90 90 90 53 48 89 fb e8 37 fb 1d fd 48
RSP: 0018:ffff888085036ff0 EFLAGS: 00010282
RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8152d2f1 RDI: ffffed1010a06df0
RBP: ffff8880905e8040 R08: 0000000000000024 R09: ffffed1015ce5079
R10: ffffed1015ce5078 R11: ffff8880ae7283c7 R12: ffff8880a95dc680
R13: ffff888091f53240 R14: 0000000000000001 R15: 0000000000001002
 ipvlan_set_port_mode+0x538/0x650 drivers/net/ipvlan/ipvlan_main.c:106
 ipvlan_link_new+0x68d/0xc40 drivers/net/ipvlan/ipvlan_main.c:679
 rtnl_newlink+0xf03/0x1440 net/core/rtnetlink.c:3141
 rtnetlink_rcv_msg+0x453/0xaf0 net/core/rtnetlink.c:4777
 netlink_rcv_skb+0x160/0x410 net/netlink/af_netlink.c:2455
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x4d7/0x6a0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x80b/0xcd0 net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:632
 ___sys_sendmsg+0x803/0x920 net/socket.c:2115
 __sys_sendmsg+0xec/0x1b0 net/socket.c:2153
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x445659
Code: e8 9c 0b 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe6bf60ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445659
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000030
R13: 0000000000406460 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..