[  507.316334] bond0: (slave eth0): making interface the new active one
[  507.316431] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.507188] bond0: (slave eth0): Releasing backup interface
[  511.579019] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.728325] bond0: (slave eth0): Releasing backup interface
[  515.771205] bond0 (unregistering): Released all slaves