Failed to configure interface in pod: failed to setup veth net2: container veth name provided (net2) already exists

[liuuwqia]

env:
openness(master)
cni:
calico+ovn4nfv

description:
multus conf is only configure for ovn4nfv and not configure for calico. And we are calling ovn4nfv twice as well. Network card addition failed.

I0520 10:45:13.630497 820 cniserver.go:181] [PodNamespace:default/PodName:sdewan-67b6899574-5r754] CNI request &{ADD default sdewan-67b6899574-5r754 fc54a5ff1cf0d035755d3a230833f8327bc7c4eb0270bd60814e10f6fd88a188 /proc/15245/ns/net eth0 0xc0005c46c0}, result "{"cniVersion":"0.4.0","interfaces":[{"name":"fc54a5ff1cf0d01","mac":"1e:01:65:bb:43:96"},{"name":"net2","mac":"7a:bb:53:1e:21:03","sandbox":"/proc/15245/ns/net"},{"name":"fc54a5ff1cf0d02","mac":"86:d3:62:e1:7d:ce"},{"name":"net3","mac":"7a:bb:53:1e:37:03","sandbox":"/proc/15245/ns/net"},{"name":"fc54a5ff1cf0d03","mac":"da:46:84:1a:c8:dc"},{"name":"eth0","mac":"7a:bb:53:e9:40:14","sandbox":"/proc/15245/ns/net"}],"ips":[{"version":"4","interface":1,"address":"172.30.33.2/24","gateway":"10.233.64.18"},{"version":"4","interface":3,"address":"172.30.55.2/24","gateway":"10.233.64.18"},{"version":"4","interface":5,"address":"10.233.64.19/18","gateway":"10.233.64.18"}],"routes":[{"dst":"0.0.0.0/0","gw":"10.233.64.18"}],"dns":{}}", err
I0520 10:45:13.741458 820 cniserver.go:157] Waiting for ADD result for CNI server pod default/sdewan-67b6899574-5r754
I0520 10:45:13.741507 820 cniserver.go:172] [PodNamespace:default/PodName:sdewan-67b6899574-5r754] dispatching pod network request &{ADD default sdewan-67b6899574-5r754 fc54a5ff1cf0d035755d3a230833f8327bc7c4eb0270bd60814e10f6fd88a188 /proc/15245/ns/net net1 0xc000840000}
I0520 10:45:13.741572 820 cniserver.go:173] k8sclient &{0xc000596260 0xc000428190 0xc000428200 0xc000428280 0xc000428310 0xc0004283a0 0xc000428470 0xc0004284e0 0xc000428560 0xc0004285d0 0xc000428640 0xc0004286b0 0xc000428720 0xc000428790 0xc000428820 0xc000428890 0xc000428920 0xc000428990 0xc000428a00 0xc000428a70 0xc000428ae0 0xc000428b50 0xc000428bc0 0xc000428c50 0xc000428cc0 0xc000428d30 0xc000428db0 0xc000428e40 0xc000428eb0 0xc000428f40 0xc000428fb0 0xc000429050 0xc0004290d0 0xc0004291d0 0xc000429240 0xc000429320 0xc000429390 0xc000429410 0xc000429480}
I0520 10:45:13.741599 820 cni.go:249] ovn4nfvk8s-cni: cmdAdd
I0520 10:45:13.741630 820 cni.go:255] ovn4nfvk8s-cni: cmdAdd for pod podname:sdewan-67b6899574-5r754 and namespace:default
I0520 10:45:13.749481 820 cni.go:278] ovn4nfvk8s-cni: cmdAdd Annotation Found
I0520 10:45:13.749508 820 cni.go:95] ovn4nfvk8s-cni: addMultipleInterfaces
I0520 10:45:13.749592 820 cni.go:147] addMultipleInterfaces: ipAddress-172.30.33.2/24 ovn4nfv-interface-net2 cni-ifname-net1
E0520 10:45:13.750219 820 cni.go:150] Failed to configure interface in pod: failed to setup veth net2: container veth name provided (net2) already exists
E0520 10:45:13.750279 820 cni.go:292] result struct the ovn4nfv-k8s-plugin cniserver