[  507.294883] bond0: (slave eth0): making interface the new active one
[  507.294979] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.500251] bond0: (slave eth0): Releasing backup interface
[  511.588004] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.789555] bond0: (slave eth0): Releasing backup interface
[  515.812503] bond0 (unregistering): Released all slaves