[  522.008083] bond0: (slave eth0): making interface the new active one
[  522.008204] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.159939] bond0: (slave eth0): Releasing backup interface
[  526.227653] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.380629] bond0: (slave eth0): Releasing backup interface
[  530.409605] bond0 (unregistering): Released all slaves