[   62.530177] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[   62.539854] batman_adv: batadv0: Interface activated: batadv_slave_1
[   62.547004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   67.552769] NOHZ: local_softirq_pending 08
[  232.031713] NOHZ: local_softirq_pending 08
[  251.867006] NOHZ: local_softirq_pending 08
[  252.508754] NOHZ: local_softirq_pending 08
[  252.513052] NOHZ: local_softirq_pending 08
[  294.746925] NOHZ: local_softirq_pending 08
[  376.669863] NOHZ: local_softirq_pending 08
[  478.947076] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  478.953824] batman_adv: batadv0: Removing interface: batadv_slave_0
[  478.961985] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  478.969063] batman_adv: batadv0: Removing interface: batadv_slave_1
[  478.977537] device bridge_slave_1 left promiscuous mode
[  478.983259] bridge0: port 2(bridge_slave_1) entered disabled state
[  479.028703] device bridge_slave_0 left promiscuous mode
[  479.034158] bridge0: port 1(bridge_slave_0) entered disabled state
[  479.130238] device veth1_macvtap left promiscuous mode
[  479.135852] device veth0_macvtap left promiscuous mode
[  479.141136] device veth1_vlan left promiscuous mode
[  479.147664] device veth0_vlan left promiscuous mode
[  479.223993] team0 (unregistering): Port device team_slave_1 removed
[  479.234245] team0 (unregistering): Port device team_slave_0 removed
[  479.244884] bond0 (unregistering): Releasing backup interface bond_slave_1
[  479.270969] bond0 (unregistering): Releasing backup interface bond_slave_0
[  479.345963] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts.
[  483.494887] ------------[ cut here ]------------
[  483.499767] WARNING: CPU: 0 PID: 9444 at net/netfilter/core.c:151 nf_unregister_net_hook+0x28a/0x3c0
[  483.509634] nf_unregister_net_hook: hook not found!
[  483.514650] Kernel panic - not syncing: panic_on_warn set ...
[  483.514650] 
[  483.521980] CPU: 0 PID: 9444 Comm: kworker/u4:1 Not tainted 4.9.0-rc1-syzkaller #0
[  483.529654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  483.539020] Workqueue: netns cleanup_net
[  483.543175]  ffff88010f1ef890 ffffffff82d76a92 ffffffff86085f80 ffff88010f1ef968
[  483.551180]  ffffffff868b2400 ffffffff84d73d0a 0000000000000009 ffff88010f1ef958
[  483.559180]  ffffffff81641ef2 0000000041b58ab3 ffffffff86d6766f ffffffff81641d3c
[  483.567194] Call Trace:
[  483.569827]  [<ffffffff82d76a92>] dump_stack+0x136/0x1d4
[  483.575257]  [<ffffffff84d73d0a>] ? nf_unregister_net_hook+0x28a/0x3c0
[  483.581998]  [<ffffffff81641ef2>] panic+0x1b6/0x358
[  483.587017]  [<ffffffff81641d3c>] ? devm_memremap+0xec/0xec
[  483.592729]  [<ffffffff81480b30>] ? vprintk_emit+0x3d0/0x7f0
[  483.598500]  [<ffffffff84d73d0a>] ? nf_unregister_net_hook+0x28a/0x3c0
[  483.605171]  [<ffffffff81349a1d>] __warn+0x18d/0x1b0
[  483.610269]  [<ffffffff81453e3e>] ? trace_hardirqs_on_caller+0x49e/0x5c0
[  483.617089]  [<ffffffff81349ad2>] warn_slowpath_fmt+0x92/0xb0
[  483.622951]  [<ffffffff81349a40>] ? __warn+0x1b0/0x1b0
[  483.628212]  [<ffffffff81453e3e>] ? trace_hardirqs_on_caller+0x49e/0x5c0
[  483.635033]  [<ffffffff84d73d0a>] nf_unregister_net_hook+0x28a/0x3c0
[  483.641497]  [<ffffffff84d74106>] netfilter_net_exit+0x36/0xa0
[  483.647454]  [<ffffffff84b6af8e>] ops_exit_list.isra.0+0x8e/0x120
[  483.653668]  [<ffffffff84b6d290>] cleanup_net+0x2d0/0x570
[  483.659177]  [<ffffffff84b6cfc0>] ? net_drop_ns+0x60/0x60
[  483.664727]  [<ffffffff8149d1f7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  483.671493]  [<ffffffff8139b10d>] process_one_work+0x67d/0x14d0
[  483.677523]  [<ffffffff8139b062>] ? process_one_work+0x5d2/0x14d0
[  483.683783]  [<ffffffff813c8f41>] ? finish_task_switch+0x151/0x630
[  483.690097]  [<ffffffff8139aa90>] ? cancel_delayed_work_sync+0x10/0x10
[  483.696737]  [<ffffffff8139c041>] worker_thread+0xe1/0x1050
[  483.702499]  [<ffffffff85ea734c>] ? __schedule+0x80c/0x1d20
[  483.708210]  [<ffffffff8139bf60>] ? process_one_work+0x14d0/0x14d0
[  483.714498]  [<ffffffff813acc4e>] kthread+0x20e/0x2d0
[  483.719767]  [<ffffffff813aca40>] ? kthread_park+0x80/0x80
[  483.725376]  [<ffffffff813aca40>] ? kthread_park+0x80/0x80
[  483.730977]  [<ffffffff813aca40>] ? kthread_park+0x80/0x80
[  483.736640]  [<ffffffff85eb7fda>] ret_from_fork+0x2a/0x40
[  483.743324] Kernel Offset: disabled