[  518.617029] bond0: (slave eth0): making interface the new active one
[  518.617151] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.763839] bond0: (slave eth0): Releasing backup interface
[  522.821281] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.991313] bond0: (slave eth0): Releasing backup interface
[  527.027372] bond0 (unregistering): Released all slaves