[  510.664594] bond0: (slave eth0): making interface the new active one
[  510.664688] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.849090] bond0: (slave eth0): Releasing backup interface
[  514.952621] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.134448] bond0: (slave eth0): Releasing backup interface
[  519.163417] bond0 (unregistering): Released all slaves