[  485.761797] netdevsim netdevsim384 eni384np1: renamed from eth0
[  485.862969] netdevsim netdevsim635 eni635np1: renamed from eth1
[  486.276721] Could not find device with ifindex 2000 in netnsfd 11
[  486.276907] Could not find netns with fd: 2000
[  486.277012] Cannot link a netdevsim to itself
[  486.277147] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).