[  746.670147][T14626] netdevsim netdevsim290 eni290np1: renamed from eth0
[  746.684007][T14628] netdevsim netdevsim763 eni763np1: renamed from eth1
[  747.215697][T14614] Could not find device with ifindex 2000 in netnsfd 11
[  747.216180][T14614] Could not find netns with fd: 2000
[  747.216522][T14614] Cannot link a netdevsim to itself
[  747.216930][T14614] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).