[  523.276277] netdevsim netdevsim346 eni346np1: renamed from eth0
[  523.373719] netdevsim netdevsim626 eni626np1: renamed from eth1
[  523.626457] Could not find device with ifindex 2000 in netnsfd 11
[  523.626722] Could not find netns with fd: 2000
[  523.626850] Cannot link a netdevsim to itself
[  523.626992] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).