[  486.966653] netdevsim netdevsim331 eni331np1: renamed from eth0
[  487.067060] netdevsim netdevsim588 eni588np1: renamed from eth1
[  487.418391] Could not find device with ifindex 2000 in netnsfd 11
[  487.418531] Could not find netns with fd: 2000
[  487.418617] Cannot link a netdevsim to itself
[  487.418713] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).