[  510.660362] bond0: (slave eth0): making interface the new active one
[  510.660427] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.904997] bond0: (slave eth0): Releasing backup interface
[  515.015869] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.198061] bond0: (slave eth0): Releasing backup interface
[  519.223056] bond0 (unregistering): Released all slaves