[  517.986077] bond0: (slave eth0): making interface the new active one
[  517.986198] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.188680] bond0: (slave eth0): Releasing backup interface
[  522.264168] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.416648] bond0: (slave eth0): Releasing backup interface
[  526.445563] bond0 (unregistering): Released all slaves