[  517.184594] bond0: (slave eth0): making interface the new active one
[  517.184672] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.429986] bond0: (slave eth0): Releasing backup interface
[  521.545183] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.782068] bond0: (slave eth0): Releasing backup interface
[  525.812971] bond0 (unregistering): Released all slaves