[  839.968791][ T9013] bond0: (slave eth0): making interface the new active one
[  839.969595][ T9013] bond0: (slave eth0): Enslaving as an active interface with an up link
[  844.700582][ T9017] bond0: (slave eth0): Releasing backup interface
[  845.228497][ T9020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.933473][ T8451] bond0: (slave eth0): Releasing backup interface
[  850.326283][ T8451] bond0 (unregistering): Released all slaves