[  515.913052] bond0: (slave eth0): making interface the new active one
[  515.913140] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.088739] bond0: (slave eth0): Releasing backup interface
[  520.170307] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.321363] bond0: (slave eth0): Releasing backup interface
[  524.354331] bond0 (unregistering): Released all slaves