[  811.469398][T15842] netdevsim netdevsim683 eni683np1: renamed from eth1
[  811.471735][T15844] netdevsim netdevsim277 eni277np1: renamed from eth0
[  812.135783][T15831] Could not find device with ifindex 2000 in netnsfd 11
[  812.136450][T15831] Could not find netns with fd: 2000
[  812.136932][T15831] Cannot link a netdevsim to itself
[  812.137452][T15831] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).