[ 2068.176920][T14173] br0: port 1(dummy0) entered blocking state
[ 2068.177131][T14173] br0: port 1(dummy0) entered disabled state
[ 2068.177308][T14173] dummy0: entered allmulticast mode
[ 2068.178286][T14173] dummy0: entered promiscuous mode
[ 2068.210514][T14174] br0: port 1(dummy0) entered blocking state
[ 2068.210817][T14174] br0: port 1(dummy0) entered forwarding state
[ 2070.264973][   T12] dummy0: left allmulticast mode
[ 2070.265719][   T12] dummy0: left promiscuous mode
[ 2070.265984][   T12] br0: port 1(dummy0) entered disabled state