[  810.597735][T15628] netdevsim netdevsim258 eni258np1: renamed from eth0
[  810.605130][T15631] netdevsim netdevsim664 eni664np1: renamed from eth1
[  811.238369][T15616] Could not find device with ifindex 2000 in netnsfd 11
[  811.239540][T15616] Could not find netns with fd: 2000
[  811.240037][T15616] Cannot link a netdevsim to itself
[  811.240592][T15616] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).