[  505.798591] bond0: (slave eth0): making interface the new active one
[  505.798703] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.962938] bond0: (slave eth0): Releasing backup interface
[  510.037433] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.189386] bond0: (slave eth0): Releasing backup interface
[  514.228406] bond0 (unregistering): Released all slaves