[  520.179218] bond0: (slave eth0): making interface the new active one
[  520.179316] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.381634] bond0: (slave eth0): Releasing backup interface
[  524.480586] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.676284] bond0: (slave eth0): Releasing backup interface
[  528.713192] bond0 (unregistering): Released all slaves