[  507.481132] bond0: (slave eth0): making interface the new active one
[  507.481250] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.633072] bond0: (slave eth0): Releasing backup interface
[  511.695709] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.861983] bond0: (slave eth0): Releasing backup interface
[  515.884426] bond0 (unregistering): Released all slaves