[  518.122802] bond0: (slave eth0): making interface the new active one
[  518.122903] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.374157] bond0: (slave eth0): Releasing backup interface
[  522.554739] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.821272] bond0: (slave eth0): Releasing backup interface
[  526.853175] bond0 (unregistering): Released all slaves