[  518.563360] bond0: (slave eth0): making interface the new active one
[  518.563451] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.781170] bond0: (slave eth0): Releasing backup interface
[  522.903733] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.130278] bond0: (slave eth0): Releasing backup interface
[  527.177958] bond0 (unregistering): Released all slaves