[  510.472473] bond0: (slave eth0): making interface the new active one
[  510.472767] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.726614] bond0: (slave eth0): Releasing backup interface
[  514.859075] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.063655] bond0: (slave eth0): Releasing backup interface
[  519.099291] bond0 (unregistering): Released all slaves