[  517.665402] bond0: (slave eth0): making interface the new active one
[  517.665472] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.873338] bond0: (slave eth0): Releasing backup interface
[  521.959821] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.162956] bond0: (slave eth0): Releasing backup interface
[  526.187859] bond0 (unregistering): Released all slaves