[  538.687316] netdevsim netdevsim329 eni329np1: renamed from eth0
[  538.789599] netdevsim netdevsim531 eni531np1: renamed from eth1
[  539.169591] Could not find device with ifindex 2000 in netnsfd 11
[  539.169753] Could not find netns with fd: 2000
[  539.169831] Cannot link a netdevsim to itself
[  539.169930] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).