[  522.702632] bond0: (slave eth0): making interface the new active one
[  522.702699] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.862360] bond0: (slave eth0): Releasing backup interface
[  526.925700] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.087642] bond0: (slave eth0): Releasing backup interface
[  531.121607] bond0 (unregistering): Released all slaves