[  517.971960] bond0: (slave eth0): making interface the new active one
[  517.972058] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.200015] bond0: (slave eth0): Releasing backup interface
[  522.310121] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.491014] bond0: (slave eth0): Releasing backup interface
[  526.516955] bond0 (unregistering): Released all slaves