[  505.385133] bond0: (slave eth0): making interface the new active one
[  505.385240] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.582781] bond0: (slave eth0): Releasing backup interface
[  509.639516] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.806362] bond0: (slave eth0): Releasing backup interface
[  513.838300] bond0 (unregistering): Released all slaves