[  522.156129] bond0: (slave eth0): making interface the new active one
[  522.156220] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.422720] bond0: (slave eth0): Releasing backup interface
[  526.519701] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.704898] bond0: (slave eth0): Releasing backup interface
[  530.728763] bond0 (unregistering): Released all slaves