[  515.919578] bond0: (slave eth0): making interface the new active one
[  515.919689] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.160950] bond0: (slave eth0): Releasing backup interface
[  520.294041] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.516124] bond0: (slave eth0): Releasing backup interface
[  524.552032] bond0 (unregistering): Released all slaves