When using vlan network the vm ingress rule is not installed. The flow should look like:

[odl@fedora41 devstack]$ sudo ovs-ofctl --protocol=OpenFlow13 dump-flows br-int
OFPST_FLOW reply (OF1.3) (xid=0x2):
cookie=0x0, duration=4.381s, table=0, n_packets=9, n_bytes=634, send_flow_rem in_port=1,vlan_tci=0x0000/0x1fff,dl_src=fa:16:3e:96:59:14 actions=push_vlan:0x8100,set_field:6097->vlan_vid,goto_table:20