[  511.733669] bond0: (slave eth0): making interface the new active one
[  511.733746] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.990156] bond0: (slave eth0): Releasing backup interface
[  516.093536] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.284133] bond0: (slave eth0): Releasing backup interface
[  520.311971] bond0 (unregistering): Released all slaves