[  519.813629] bond0: (slave eth0): making interface the new active one
[  519.813714] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.980948] bond0: (slave eth0): Releasing backup interface
[  524.053203] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.204616] bond0: (slave eth0): Releasing backup interface
[  528.232580] bond0 (unregistering): Released all slaves