[  514.253498] bond0: (slave eth0): making interface the new active one
[  514.253583] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.491113] bond0: (slave eth0): Releasing backup interface
[  518.594447] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.775010] bond0: (slave eth0): Releasing backup interface
[  522.805958] bond0 (unregistering): Released all slaves