[  728.831529][T13089] netdevsim netdevsim314 eni314np1: renamed from eth0
[  728.852702][T13091] netdevsim netdevsim514 eni514np1: renamed from eth1
[  729.541917][T13077] Could not find device with ifindex 2000 in netnsfd 11
[  729.542784][T13077] Could not find netns with fd: 2000
[  729.543165][T13077] Cannot link a netdevsim to itself
[  729.543625][T13077] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).