[  517.410849] bond0: (slave eth0): making interface the new active one
[  517.410947] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.659612] bond0: (slave eth0): Releasing backup interface
[  521.804692] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.047387] bond0: (slave eth0): Releasing backup interface
[  526.086136] bond0 (unregistering): Released all slaves