[root@osn2 ~]# ovs-ofctl dump-flows br-eth1
NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=66844.073s, table=0, n_packets=938, n_bytes=51206, idle_age=866, hard_age=65534, priority=4,in_port=4,dl_vlan=1 actions=mod_vlan_vid:400,NORMAL
 cookie=0x0, duration=66847.835s, table=0, n_packets=12, n_bytes=976, idle_age=65534, hard_age=65534, priority=2,in_port=4 actions=drop
 cookie=0x0, duration=66849.613s, table=0, n_packets=7219, n_bytes=483356, idle_age=1, hard_age=65534, priority=1 actions=NORMAL