[  472.620119] netdevsim netdevsim505 eni505np1: renamed from eth0
[  472.620371] netdevsim netdevsim570 eni570np1: renamed from eth1
[  472.701633] Could not find device with ifindex 2000 in netnsfd 11
[  472.701726] Could not find netns with fd: 2000
[  472.701770] Cannot link a netdevsim to itself
[  472.701821] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).