[  522.520546] netdevsim netdevsim624 eni624np1: renamed from eth1
[  522.617540] netdevsim netdevsim288 eni288np1: renamed from eth0
[  522.874772] Could not find device with ifindex 2000 in netnsfd 11
[  522.874976] Could not find netns with fd: 2000
[  522.875067] Cannot link a netdevsim to itself
[  522.875169] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).