[  515.980923] bond0: (slave eth0): making interface the new active one
[  515.981020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.218104] bond0: (slave eth0): Releasing backup interface
[  520.318891] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.499080] bond0: (slave eth0): Releasing backup interface
[  524.528430] bond0 (unregistering): Released all slaves