[  511.291717] bond0: (slave eth0): making interface the new active one
[  511.291788] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.483858] bond0: (slave eth0): Releasing backup interface
[  515.601893] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.765068] bond0: (slave eth0): Releasing backup interface
[  519.794971] bond0 (unregistering): Released all slaves