[  707.886046][T13070] netdevsim netdevsim257 eni257np1: renamed from eth0
[  707.913063][T13073] netdevsim netdevsim618 eni618np1: renamed from eth1
[  708.541582][T13058] Could not find device with ifindex 2000 in netnsfd 11
[  708.542549][T13058] Could not find netns with fd: 2000
[  708.543102][T13058] Cannot link a netdevsim to itself
[  708.543678][T13058] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).