[  510.703924] bond0: (slave eth0): making interface the new active one
[  510.704005] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.903864] bond0: (slave eth0): Releasing backup interface
[  515.004558] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.204780] bond0: (slave eth0): Releasing backup interface
[  519.240051] bond0 (unregistering): Released all slaves