: owner set to 0
tun0: tun_chr_ioctl cmd 1074025676
tun0: owner set to 0
tun0: tun_chr_ioctl cmd 1074025676
tun0: owner set to 0
unregister_netdevice: waiting for tun0 to become free. Usage count = -6
unregister_netdevice: waiting for tun0 to become free. Usage count = -6