[  839.441878][ T8981] bond0: (slave eth0): making interface the new active one
[  839.442483][ T8981] bond0: (slave eth0): Enslaving as an active interface with an up link
[  844.150288][ T8985] bond0: (slave eth0): Releasing backup interface
[  844.671079][ T8988] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.393533][  T278] bond0: (slave eth0): Releasing backup interface
[  849.766071][  T278] bond0 (unregistering): Released all slaves