[  505.716550] bond0: (slave eth0): making interface the new active one
[  505.716654] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.906722] bond0: (slave eth0): Releasing backup interface
[  509.990472] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.139586] bond0: (slave eth0): Releasing backup interface
[  514.168427] bond0 (unregistering): Released all slaves