[  539.926095] bond0: (slave eth0): making interface the new active one
[  539.926164] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.142371] bond0: (slave eth0): Releasing backup interface
[  544.223581] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.364726] bond0: (slave eth0): Releasing backup interface
[  548.395671] bond0 (unregistering): Released all slaves