[  510.221578] bond0: (slave eth0): making interface the new active one
[  510.221678] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.459333] bond0: (slave eth0): Releasing backup interface
[  514.583073] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.804842] bond0: (slave eth0): Releasing backup interface
[  518.829785] bond0 (unregistering): Released all slaves