[  517.884448] bond0: (slave eth0): making interface the new active one
[  517.884539] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.137554] bond0: (slave eth0): Releasing backup interface
[  522.253758] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.423113] bond0: (slave eth0): Releasing backup interface
[  526.457020] bond0 (unregistering): Released all slaves