[  514.348491] bond0: (slave eth0): making interface the new active one
[  514.348578] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.562692] bond0: (slave eth0): Releasing backup interface
[  518.696022] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.901950] bond0: (slave eth0): Releasing backup interface
[  522.930876] bond0 (unregistering): Released all slaves