[  472.993830] netdevsim netdevsim463 eni463np1: renamed from eth0
[  472.994491] netdevsim netdevsim568 eni568np1: renamed from eth0
[  473.084920] Could not find device with ifindex 2000 in netnsfd 11
[  473.084996] Could not find netns with fd: 2000
[  473.085038] Cannot link a netdevsim to itself
[  473.085086] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).