[  518.147206] bond0: (slave eth0): making interface the new active one
[  518.147315] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.389246] bond0: (slave eth0): Releasing backup interface
[  522.488801] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.678821] bond0: (slave eth0): Releasing backup interface
[  526.711867] bond0 (unregistering): Released all slaves