[  514.275219] bond0: (slave eth0): making interface the new active one
[  514.275309] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.496776] bond0: (slave eth0): Releasing backup interface
[  518.622633] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.850009] bond0: (slave eth0): Releasing backup interface
[  522.881122] bond0 (unregistering): Released all slaves