[  517.189856] bond0: (slave eth0): making interface the new active one
[  517.189951] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.432607] bond0: (slave eth0): Releasing backup interface
[  521.552098] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.718989] bond0: (slave eth0): Releasing backup interface
[  525.753961] bond0 (unregistering): Released all slaves