[  502.792987] bond0: (slave eth0): making interface the new active one
[  502.793088] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.954486] bond0: (slave eth0): Releasing backup interface
[  507.032067] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.179463] bond0: (slave eth0): Releasing backup interface
[  511.213437] bond0 (unregistering): Released all slaves