[  505.712390] bond0: (slave eth0): making interface the new active one
[  505.712505] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.909702] bond0: (slave eth0): Releasing backup interface
[  509.975483] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.134424] bond0: (slave eth0): Releasing backup interface
[  514.175330] bond0 (unregistering): Released all slaves