[  848.169083][ T9256] bond0: (slave eth0): making interface the new active one
[  848.169820][ T9256] bond0: (slave eth0): Enslaving as an active interface with an up link
[  852.937026][ T9260] bond0: (slave eth0): Releasing backup interface
[  853.494290][ T9263] bond0: (slave eth0): Enslaving as an active interface with an up link
[  858.130137][ T7987] bond0: (slave eth0): Releasing backup interface
[  858.491037][ T7987] bond0 (unregistering): Released all slaves