[  485.996011] netdevsim netdevsim529 eni529np1: renamed from eth1
[  486.093333] netdevsim netdevsim461 eni461np1: renamed from eth0
[  486.303673] Could not find device with ifindex 2000 in netnsfd 11
[  486.304043] Could not find netns with fd: 2000
[  486.304152] Cannot link a netdevsim to itself
[  486.304266] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).