[  472.371720] netdevsim netdevsim445 eni445np1: renamed from eth0
[  472.372653] netdevsim netdevsim543 eni543np1: renamed from eth0
[  472.454763] Could not find device with ifindex 2000 in netnsfd 11
[  472.454854] Could not find netns with fd: 2000
[  472.454896] Cannot link a netdevsim to itself
[  472.454948] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).