[  475.185287] netdevsim netdevsim422 eni422np1: renamed from eth0
[  475.186245] netdevsim netdevsim559 eni559np1: renamed from eth0
[  475.280938] Could not find device with ifindex 2000 in netnsfd 11
[  475.281038] Could not find netns with fd: 2000
[  475.281075] Cannot link a netdevsim to itself
[  475.281114] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).