[  514.476691] bond0: (slave eth0): making interface the new active one
[  514.476779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.673880] bond0: (slave eth0): Releasing backup interface
[  518.749633] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.902173] bond0: (slave eth0): Releasing backup interface
[  522.942236] bond0 (unregistering): Released all slaves