[  459.908428] netdevsim netdevsim502 eni502np1: renamed from eth0
[  459.908944] netdevsim netdevsim726 eni726np1: renamed from eth1
[  459.995327] Could not find device with ifindex 2000 in netnsfd 11
[  459.995425] Could not find netns with fd: 2000
[  459.995473] Cannot link a netdevsim to itself
[  459.995525] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).