[  519.781276] bond0: (slave eth0): making interface the new active one
[  519.781353] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.979523] bond0: (slave eth0): Releasing backup interface
[  524.054521] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.210472] bond0: (slave eth0): Releasing backup interface
[  528.242479] bond0 (unregistering): Released all slaves