[  507.047101] bond0: (slave eth0): making interface the new active one
[  507.047204] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.256040] bond0: (slave eth0): Releasing backup interface
[  511.354874] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.538848] bond0: (slave eth0): Releasing backup interface
[  515.575749] bond0 (unregistering): Released all slaves