[  521.996163] bond0: (slave eth0): making interface the new active one
[  521.996276] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.170030] bond0: (slave eth0): Releasing backup interface
[  526.237959] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.391734] bond0: (slave eth0): Releasing backup interface
[  530.425788] bond0 (unregistering): Released all slaves