[  510.180907] bond0: (slave eth0): making interface the new active one
[  510.180990] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.388748] bond0: (slave eth0): Releasing backup interface
[  514.469440] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.616757] bond0: (slave eth0): Releasing backup interface
[  518.645353] bond0 (unregistering): Released all slaves