[  522.257410] bond0: (slave eth0): making interface the new active one
[  522.257496] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.413047] bond0: (slave eth0): Releasing backup interface
[  526.476962] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.645183] bond0: (slave eth0): Releasing backup interface
[  530.662838] bond0 (unregistering): Released all slaves