[  489.715746] netdevsim netdevsim486 eni486np1: renamed from eth0
[  489.715969] netdevsim netdevsim530 eni530np1: renamed from eth1
[  489.797021] Could not find device with ifindex 2000 in netnsfd 11
[  489.797128] Could not find netns with fd: 2000
[  489.797174] Cannot link a netdevsim to itself
[  489.797226] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).