[  827.956570][T14758] netdevsim netdevsim337 eni337np1: renamed from eth0
[  827.975666][T14760] netdevsim netdevsim714 eni714np1: renamed from eth1
[  828.617920][T14746] Could not find device with ifindex 2000 in netnsfd 11
[  828.618743][T14746] Could not find netns with fd: 2000
[  828.619152][T14746] Cannot link a netdevsim to itself
[  828.619908][T14746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).