[  507.230390] bond0: (slave eth0): making interface the new active one
[  507.230457] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.380294] bond0: (slave eth0): Releasing backup interface
[  511.455184] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.610701] bond0: (slave eth0): Releasing backup interface
[  515.646449] bond0 (unregistering): Released all slaves