[  485.745562] netdevsim netdevsim357 eni357np1: renamed from eth0
[  485.840139] netdevsim netdevsim731 eni731np1: renamed from eth1
[  486.067642] Could not find device with ifindex 2000 in netnsfd 11
[  486.067992] Could not find netns with fd: 2000
[  486.068076] Cannot link a netdevsim to itself
[  486.068169] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).