[  523.233043] bond0: (slave eth0): making interface the new active one
[  523.233155] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.435671] bond0: (slave eth0): Releasing backup interface
[  527.515009] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.665444] bond0: (slave eth0): Releasing backup interface
[  531.699455] bond0 (unregistering): Released all slaves