[  712.986094][T13058] netdevsim netdevsim499 eni499np1: renamed from eth0
[  713.017972][T13060] netdevsim netdevsim548 eni548np1: renamed from eth1
[  713.720292][T13045] Could not find device with ifindex 2000 in netnsfd 11
[  713.725370][T13045] Could not find netns with fd: 2000
[  713.725885][T13045] Cannot link a netdevsim to itself
[  713.726483][T13045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).