[  517.422676] bond0: (slave eth0): making interface the new active one
[  517.422783] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.699934] bond0: (slave eth0): Releasing backup interface
[  521.844889] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.043800] bond0: (slave eth0): Releasing backup interface
[  526.080688] bond0 (unregistering): Released all slaves