[  522.521147] bond0: (slave eth0): making interface the new active one
[  522.521230] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.730681] bond0: (slave eth0): Releasing backup interface
[  526.803246] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.963416] bond0: (slave eth0): Releasing backup interface
[  530.996812] bond0 (unregistering): Released all slaves