[  506.635722] bond0: (slave eth0): making interface the new active one
[  506.635782] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.832873] bond0: (slave eth0): Releasing backup interface
[  511.053740] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.291955] bond0: (slave eth0): Releasing backup interface
[  515.323782] bond0 (unregistering): Released all slaves