[  514.671560] bond0: (slave eth0): making interface the new active one
[  514.671639] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.877644] bond0: (slave eth0): Releasing backup interface
[  518.971876] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.160132] bond0: (slave eth0): Releasing backup interface
[  523.187074] bond0 (unregistering): Released all slaves