[  472.800755] netdevsim netdevsim261 eni261np1: renamed from eth0
[  472.801682] netdevsim netdevsim736 eni736np1: renamed from eth1
[  472.878971] Could not find device with ifindex 2000 in netnsfd 11
[  472.879108] Could not find netns with fd: 2000
[  472.879208] Cannot link a netdevsim to itself
[  472.879328] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).