[  505.709066] bond0: (slave eth0): making interface the new active one
[  505.709208] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.912209] bond0: (slave eth0): Releasing backup interface
[  510.000261] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.133828] bond0: (slave eth0): Releasing backup interface
[  514.160566] bond0 (unregistering): Released all slaves