[  509.786768] bond0: (slave eth0): making interface the new active one
[  509.786853] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.008860] bond0: (slave eth0): Releasing backup interface
[  514.112704] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.294923] bond0: (slave eth0): Releasing backup interface
[  518.325894] bond0 (unregistering): Released all slaves