[  505.357566] bond0: (slave eth0): making interface the new active one
[  505.357645] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.526426] bond0: (slave eth0): Releasing backup interface
[  509.610791] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.757556] bond0: (slave eth0): Releasing backup interface
[  513.795470] bond0 (unregistering): Released all slaves