[  518.266285] bond0: (slave eth0): making interface the new active one
[  518.266412] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.449072] bond0: (slave eth0): Releasing backup interface
[  522.527384] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.679196] bond0: (slave eth0): Releasing backup interface
[  526.721206] bond0 (unregistering): Released all slaves