[  486.285072] netdevsim netdevsim502 eni502np1: renamed from eth0
[  486.385944] netdevsim netdevsim533 eni533np1: renamed from eth1
[  486.721986] Could not find device with ifindex 2000 in netnsfd 11
[  486.722141] Could not find netns with fd: 2000
[  486.722220] Cannot link a netdevsim to itself
[  486.722317] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).