[ 4823.968123] ip (312) used greatest stack depth: 12336 bytes left
[ 4824.168396] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4824.580654] Initializing XFRM netlink socket
[ 4834.248465] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4844.296393] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4854.536476] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4864.792474] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4875.048466] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4885.296464] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4895.536465] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4905.776467] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4915.896537] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4926.136470] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4936.200473] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4946.440471] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4956.464397] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4966.600394] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4976.704392] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4986.857390] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 4996.944389] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 5007.000389] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8
[ 5017.072394] unregister_netdevice: waiting for dummy0 to become free. Usage count = 8