[  513.736218] bond0: (slave eth0): making interface the new active one
[  513.736319] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.053446] bond0: (slave eth0): Releasing backup interface
[  518.202379] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.389104] bond0: (slave eth0): Releasing backup interface
[  522.422084] bond0 (unregistering): Released all slaves