[  472.893290] netdevsim netdevsim324 eni324np1: renamed from eth0
[  472.893896] netdevsim netdevsim639 eni639np1: renamed from eth1
[  472.969558] Could not find device with ifindex 2000 in netnsfd 11
[  472.969651] Could not find netns with fd: 2000
[  472.969695] Cannot link a netdevsim to itself
[  472.969745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).