[  491.702075] netdevsim netdevsim277 eni277np1: renamed from eth0
[  491.798380] netdevsim netdevsim716 eni716np1: renamed from eth1
[  492.017504] Could not find device with ifindex 2000 in netnsfd 11
[  492.017889] Could not find netns with fd: 2000
[  492.017995] Cannot link a netdevsim to itself
[  492.018111] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).