[  491.792466] netdevsim netdevsim332 eni332np1: renamed from eth0
[  491.890082] netdevsim netdevsim635 eni635np1: renamed from eth1
[  492.175102] Could not find device with ifindex 2000 in netnsfd 11
[  492.175347] Could not find netns with fd: 2000
[  492.175461] Cannot link a netdevsim to itself
[  492.175628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).