[  522.853380] bond0: (slave eth0): making interface the new active one
[  522.853496] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.057990] bond0: (slave eth0): Releasing backup interface
[  527.153538] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.346045] bond0: (slave eth0): Releasing backup interface
[  531.368506] bond0 (unregistering): Released all slaves