The kernel flow used port is different from user space, so use below command to check the relationship.

[root@cmp1 ~]# ovs-appctl  dpif/show
system@ovs-system: hit:863 missed:73
    br-int:

            br-int 65534/1: \(internal\)
            ovn-b250f7-0 1/2: \(geneve: csum=true, key=flow, remote\_ip=192.168.201.93\)
            ovn-f4001b-0 2/2: \(geneve: csum=true, key=flow, remote\_ip=192.168.201.91\)
            tap906be15d-43 5/3: \(system\)
            tapcb7eae9d-06 6/4: \(system\)

[root@cmp1 ~]# ovs-ofctl dump-ports-desc br-int
OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b250f7-0): addr:56:62:79:a7:6d:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f4001b-0): addr:32:a6:8f:3e:d6:e1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tap906be15d-43): addr:fe:16:3e:5a:d5:eb
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 6(tapcb7eae9d-06): addr:fe:16:3e:79:45:51
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:63:13:48:99:45
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max