[  515.974883] bond0: (slave eth0): making interface the new active one
[  515.974952] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.151543] bond0: (slave eth0): Releasing backup interface
[  520.254157] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.436095] bond0: (slave eth0): Releasing backup interface
[  524.473086] bond0 (unregistering): Released all slaves