[  513.132578] bond0: (slave eth0): making interface the new active one
[  513.132688] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.336529] bond0: (slave eth0): Releasing backup interface
[  517.439722] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.622009] bond0: (slave eth0): Releasing backup interface
[  521.643909] bond0 (unregistering): Released all slaves