[  858.079715][ T9447] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  858.182548][ T9448] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  858.267116][ T9449] br0: port 1(veth0) entered blocking state
[  858.267410][ T9449] br0: port 1(veth0) entered disabled state
[  858.267715][ T9449] veth0: entered allmulticast mode
[  858.268952][ T9449] veth0: entered promiscuous mode
[  858.365246][ T9450] br0: port 2(veth1) entered blocking state
[  858.365978][ T9450] br0: port 2(veth1) entered disabled state
[  858.366246][ T9450] veth1: entered allmulticast mode
[  858.367570][ T9450] veth1: entered promiscuous mode
[  858.809800][   T38] br0: port 1(veth0) entered blocking state
[  858.810180][   T38] br0: port 1(veth0) entered forwarding state
[  858.811284][   T38] br0: port 2(veth1) entered blocking state
[  858.811530][   T38] br0: port 2(veth1) entered forwarding state
[  860.080743][   T11] bond0: (slave veth1): link status definitely up
[  860.081219][   T11] bond0: (slave veth1): making interface the new active one
[  860.082723][   T11] bond0: active interface up!
[  860.416632][  T257] veth1: left allmulticast mode
[  860.416854][  T257] veth1: left promiscuous mode
[  860.417168][  T257] br0: port 2(veth1) entered disabled state
[  860.419488][  T257] veth0: left allmulticast mode
[  860.419673][  T257] veth0: left promiscuous mode
[  860.419950][  T257] br0: port 1(veth0) entered disabled state
[  860.570326][  T257] bond0: (slave veth1): Releasing backup interface
[  860.664937][  T257] bond0: (slave veth0): Releasing backup interface
[  861.059900][  T257] bond0 (unregistering): Released all slaves