[  791.582746][T14587] netdevsim netdevsim504 eni504np1: renamed from eth0
[  791.599573][T14589] netdevsim netdevsim750 eni750np1: renamed from eth1
[  792.159584][T14575] Could not find device with ifindex 2000 in netnsfd 11
[  792.160111][T14575] Could not find netns with fd: 2000
[  792.160471][T14575] Cannot link a netdevsim to itself
[  792.161050][T14575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).