[  539.035040] bond0: (slave eth0): making interface the new active one
[  539.035099] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.247858] bond0: (slave eth0): Releasing backup interface
[  543.332758] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.539800] bond0: (slave eth0): Releasing backup interface
[  547.573675] bond0 (unregistering): Released all slaves