[  518.919764] netdevsim netdevsim626 eni626np1: renamed from eth1
[  519.017765] netdevsim netdevsim258 eni258np1: renamed from eth0
[  519.269366] Could not find device with ifindex 2000 in netnsfd 11
[  519.269539] Could not find netns with fd: 2000
[  519.269615] Cannot link a netdevsim to itself
[  519.269707] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).