[  522.453555] bond0: (slave eth0): making interface the new active one
[  522.453653] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.699497] bond0: (slave eth0): Releasing backup interface
[  526.807156] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.980400] bond0: (slave eth0): Releasing backup interface
[  531.009303] bond0 (unregistering): Released all slaves