[  514.467441] bond0: (slave eth0): making interface the new active one
[  514.467550] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.603971] bond0: (slave eth0): Releasing backup interface
[  518.667241] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.832498] bond0: (slave eth0): Releasing backup interface
[  522.874453] bond0 (unregistering): Released all slaves