[  517.901730] bond0: (slave eth0): making interface the new active one
[  517.901815] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.161165] bond0: (slave eth0): Releasing backup interface
[  522.267452] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.448586] bond0: (slave eth0): Releasing backup interface
[  526.466445] bond0 (unregistering): Released all slaves