[  515.909850] bond0: (slave eth0): making interface the new active one
[  515.909946] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.086924] bond0: (slave eth0): Releasing backup interface
[  520.161411] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.311497] bond0: (slave eth0): Releasing backup interface
[  524.349206] bond0 (unregistering): Released all slaves