[  517.782190] bond0: (slave eth0): making interface the new active one
[  517.782286] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.016792] bond0: (slave eth0): Releasing backup interface
[  522.145591] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.358249] bond0: (slave eth0): Releasing backup interface
[  526.398093] bond0 (unregistering): Released all slaves