[  522.351456] bond0: (slave eth0): making interface the new active one
[  522.351531] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.540656] bond0: (slave eth0): Releasing backup interface
[  526.618132] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.768694] bond0: (slave eth0): Releasing backup interface
[  530.792584] bond0 (unregistering): Released all slaves