[  503.217794] bond0: (slave eth0): making interface the new active one
[  503.217886] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.407461] bond0: (slave eth0): Releasing backup interface
[  507.477494] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.639391] bond0: (slave eth0): Releasing backup interface
[  511.669209] bond0 (unregistering): Released all slaves