[  513.225332] bond0: (slave eth0): making interface the new active one
[  513.225410] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.397320] bond0: (slave eth0): Releasing backup interface
[  517.478252] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.622454] bond0: (slave eth0): Releasing backup interface
[  521.656366] bond0 (unregistering): Released all slaves