[  513.835678] bond0: (slave eth0): making interface the new active one
[  513.835750] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.036868] bond0: (slave eth0): Releasing backup interface
[  518.118763] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.257491] bond0: (slave eth0): Releasing backup interface
[  522.283409] bond0 (unregistering): Released all slaves