[  517.777573] bond0: (slave eth0): making interface the new active one
[  517.777670] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.016628] bond0: (slave eth0): Releasing backup interface
[  522.127152] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.308195] bond0: (slave eth0): Releasing backup interface
[  526.338027] bond0 (unregistering): Released all slaves