[  510.194074] bond0: (slave eth0): making interface the new active one
[  510.194198] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.387521] bond0: (slave eth0): Releasing backup interface
[  514.452704] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.613434] bond0: (slave eth0): Releasing backup interface
[  518.662285] bond0 (unregistering): Released all slaves