想把网口1和网口2添加在一个网桥里边，方便访问，但是总是失败，目前单独2个网口配置2个段的ip，网口和外面都是通的，请问有人遇到过吗？
brctl addif br0 eth0
[12640.586789] br0: port 1(eth0) entered blocking state
[12640.592259] br0: port 1(eth0) entered disabled state
[12640.611579] cpsw 4a100000.ethernet eth0: failed to initialize vlan filtering on this port
[12640.620523] br0: port 1(eth0) entered blocking state
[12640.627725] br0: port 1(eth0) entered disabled state
[12640.639591] cpsw 4a100000.ethernet eth0: failed to initialize vlan filtering on this port
can't add eth0 to bridge br0: Invalid argument
