[  486.724504] netdevsim netdevsim339 eni339np1: renamed from eth0
[  486.825411] netdevsim netdevsim583 eni583np1: renamed from eth1
[  487.235208] Could not find device with ifindex 2000 in netnsfd 11
[  487.235360] Could not find netns with fd: 2000
[  487.235458] Cannot link a netdevsim to itself
[  487.235578] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).