[  513.147419] bond0: (slave eth0): making interface the new active one
[  513.147489] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.397287] bond0: (slave eth0): Releasing backup interface
[  517.517963] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.680876] bond0: (slave eth0): Releasing backup interface
[  521.707824] bond0 (unregistering): Released all slaves