[  824.802469][T15856] netdevsim netdevsim473 eni473np1: renamed from eth0
[  824.834968][T15857] netdevsim netdevsim717 eni717np1: renamed from eth1
[  825.431266][T15845] Could not find device with ifindex 2000 in netnsfd 11
[  825.431907][T15845] Could not find netns with fd: 2000
[  825.432588][T15845] Cannot link a netdevsim to itself
[  825.433210][T15845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).