[  517.124368] bond0: (slave eth0): making interface the new active one
[  517.124476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.374967] bond0: (slave eth0): Releasing backup interface
[  521.487747] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.669216] bond0: (slave eth0): Releasing backup interface
[  525.697017] bond0 (unregistering): Released all slaves