[  517.186341] bond0: (slave eth0): making interface the new active one
[  517.186432] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.439534] bond0: (slave eth0): Releasing backup interface
[  521.556557] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.719077] bond0: (slave eth0): Releasing backup interface
[  525.749030] bond0 (unregistering): Released all slaves