[  507.415974] bond0: (slave eth0): making interface the new active one
[  507.416073] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.644450] bond0: (slave eth0): Releasing backup interface
[  511.748635] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.931924] bond0: (slave eth0): Releasing backup interface
[  515.952858] bond0 (unregistering): Released all slaves