[  512.261026] netdevsim netdevsim529 eni529np1: renamed from eth1
[  512.359112] netdevsim netdevsim483 eni483np1: renamed from eth0
[  512.581077] Could not find device with ifindex 2000 in netnsfd 11
[  512.581283] Could not find netns with fd: 2000
[  512.581378] Cannot link a netdevsim to itself
[  512.581504] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).