[  513.707446] netdevsim netdevsim483 eni483np1: renamed from eth0
[  513.805561] netdevsim netdevsim645 eni645np1: renamed from eth1
[  514.003263] Could not find device with ifindex 2000 in netnsfd 11
[  514.003471] Could not find netns with fd: 2000
[  514.003547] Cannot link a netdevsim to itself
[  514.003643] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).