[  511.399853] bond0: (slave eth0): making interface the new active one
[  511.399923] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.604501] bond0: (slave eth0): Releasing backup interface
[  515.703918] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.884840] bond0: (slave eth0): Releasing backup interface
[  519.909788] bond0 (unregistering): Released all slaves