[  514.857675] bond0: (slave eth0): making interface the new active one
[  514.857753] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.065865] bond0: (slave eth0): Releasing backup interface
[  519.179433] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.348011] bond0: (slave eth0): Releasing backup interface
[  523.377930] bond0 (unregistering): Released all slaves