[  510.390803] bond0: (slave eth0): making interface the new active one
[  510.390913] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.652749] bond0: (slave eth0): Releasing backup interface
[  514.776453] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.001200] bond0: (slave eth0): Releasing backup interface
[  519.043215] bond0 (unregistering): Released all slaves