It may be because of duplicate chassis IPs (same IP address used for more than one chassis).
Thanks. From: <[email protected]> on behalf of Guru Shetty <[email protected]> Date: Monday, August 20, 2018 at 9:24 PM To: discuss <[email protected]>, Greg Rose <[email protected]>, William Tu <[email protected]> Subject: Re: [ovs-discuss] OVS 2.10 geneve errors I should clarify that I am seeing this in kernel datapath. I realized that my usage of "userspace geneve tunnels" can be misleading. On Mon, 20 Aug 2018 at 21:22, Guru Shetty <[email protected]<mailto:[email protected]>> wrote: Hello All, Looks like with OVS 2.10, we cannot create more than 2 userspace geneve tunnels. You get an error that says: could not add network device geneve23 to ofproto (Device or resource busy) e.g: vagrant@k8smaster:~$ sudo ovs-vsctl show 86d11177-d982-48f9-a08e-c9f6f6587215 Bridge "br0" Port "geneve23" Interface "geneve23" type: geneve options: {remote_ip="192.168.0.3"} error: "could not add network device geneve23 to ofproto (Device or resource busy)" Port "br0" Interface "br0" type: internal Bridge br-int fail_mode: secure Port "k8s-patch-br-int-br-localnet" Interface "k8s-patch-br-int-br-localnet" type: patch options: {peer="k8s-patch-br-localnet-br-int"} Port "ovn-d18708-0" Interface "ovn-d18708-0" type: geneve options: {csum="true", key=flow, remote_ip="10.10.0.12"} Port "26dfc422a6875c2" Interface "26dfc422a6875c2" Port br-int Interface br-int type: internal Port "ovn-8abe64-0" Interface "ovn-8abe64-0" type: geneve options: {csum="true", key=flow, remote_ip="10.10.0.13"} error: "could not add network device ovn-8abe64-0 to ofproto (Device or resource busy)"
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