[  472.567695] netdevsim netdevsim272 eni272np1: renamed from eth0
[  472.568189] netdevsim netdevsim664 eni664np1: renamed from eth1
[  472.639657] Could not find device with ifindex 2000 in netnsfd 11
[  472.639743] Could not find netns with fd: 2000
[  472.639787] Cannot link a netdevsim to itself
[  472.639837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).