ovs-ofctl meter-stats <bridge> [meter]

admin@PicOS-OVS$ovs-ofctl meter-stats br0
OFPST_METER reply (OF1.4) (xid=0x2):
meter:100 flow_count:0 packet_in_count:0 byte_in_count:0 duration:346.419s bands:
0: packet_count:0 byte_count:0