[  513.517746] bond0: (slave eth0): making interface the new active one
[  513.517848] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.725218] bond0: (slave eth0): Releasing backup interface
[  517.851713] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.073881] bond0: (slave eth0): Releasing backup interface
[  522.105850] bond0 (unregistering): Released all slaves