[  503.317385] bond0: (slave eth0): making interface the new active one
[  503.317477] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.539431] bond0: (slave eth0): Releasing backup interface
[  507.629377] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.834105] bond0: (slave eth0): Releasing backup interface
[  511.863802] bond0 (unregistering): Released all slaves