[  514.983489] bond0: (slave eth0): making interface the new active one
[  514.983570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.196840] bond0: (slave eth0): Releasing backup interface
[  519.312222] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.483953] bond0: (slave eth0): Releasing backup interface
[  523.521847] bond0 (unregistering): Released all slaves