[  513.592950] bond0: (slave eth0): making interface the new active one
[  513.593066] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.784403] bond0: (slave eth0): Releasing backup interface
[  517.866492] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.011443] bond0: (slave eth0): Releasing backup interface
[  522.049334] bond0 (unregistering): Released all slaves