[ovs-discuss] Ping over dpdk bridge failed after upgrade to OVS 2.17.3

[Alex Yeh (ayeh) via discuss]

Hi All,
                We were running OVS 2.13.0/DPDK 19.11.1 and the VMs were able 
to ping over the DPDK bridge. After upgrade to OVS 2.17.3 the VMs can’t ping 
over the DPDK bridge with the same OVS config. Does anyone have seen the same 
issue and have a way to fix the issue?

Thanks
Alex

OVS bridge setup, VMs are connected to vnic1 and vnic3:
    Bridge dpdk-br
        datapath_type: netdev
        Port dpdk-br
            Interface dpdk-br
                type: internal
        Port vnic1
            Interface vnic1
                type: dpdkvhostuserclient
                options: {vhost-server-path="/run/vhostfd/vnic1"}
        Port vnic3
            Interface vnic3
                type: dpdkvhostuserclient
                options: {vhost-server-path="/run/vhostfd/vnic3"}
    ovs_version: "2.17.7"

Working:
[root@nfvis-csp-45 ~]# ovs-vswitchd --version
ovs-vswitchd (Open vSwitch) 2.13.0
DPDK 19.11.1

Not working:
[root@nfvis nfvos-confd]# ovs-vswitchd --version
ovs-vswitchd (Open vSwitch) 2.17.3
DPDK 21.11.0

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