[  505.786611] bond0: (slave eth0): making interface the new active one
[  505.786737] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.973245] bond0: (slave eth0): Releasing backup interface
[  510.042357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.201467] bond0: (slave eth0): Releasing backup interface
[  514.221338] bond0 (unregistering): Released all slaves