[  827.408021][ T9419] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  827.505460][ T9420] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  827.641165][ T9421] br0: port 1(veth0) entered blocking state
[  827.641656][ T9421] br0: port 1(veth0) entered disabled state
[  827.642101][ T9421] veth0: entered allmulticast mode
[  827.644217][ T9421] veth0: entered promiscuous mode
[  827.744520][ T9422] br0: port 2(veth1) entered blocking state
[  827.744830][ T9422] br0: port 2(veth1) entered disabled state
[  827.745174][ T9422] veth1: entered allmulticast mode
[  827.746449][ T9422] veth1: entered promiscuous mode
[  828.374997][ T8568] br0: port 1(veth0) entered blocking state
[  828.375341][ T8568] br0: port 1(veth0) entered forwarding state
[  828.377170][ T8568] br0: port 2(veth1) entered blocking state
[  828.377437][ T8568] br0: port 2(veth1) entered forwarding state
[  830.390604][ T8822] bond0: (slave veth0): link status definitely up
[  830.391228][ T8822] bond0: (slave veth1): link status definitely up
[  830.391800][ T8822] bond0: (slave veth0): making interface the new active one
[  830.392869][ T8822] bond0: active interface up!
[  830.835741][ T8822] veth1: left allmulticast mode
[  830.835962][ T8822] veth1: left promiscuous mode
[  830.836354][ T8822] br0: port 2(veth1) entered disabled state
[  830.837998][ T8822] veth0: left allmulticast mode
[  830.838203][ T8822] veth0: left promiscuous mode
[  830.838478][ T8822] br0: port 1(veth0) entered disabled state
[  831.003612][ T8822] bond0: (slave veth1): Releasing backup interface
[  831.118822][ T8822] bond0: (slave veth0): Releasing backup interface
[  831.503181][ T8822] bond0 (unregistering): Released all slaves