[  455.107423] netdevsim netdevsim613 eni613np1: renamed from eth1
[  455.107934] netdevsim netdevsim291 eni291np1: renamed from eth0
[  455.204614] Could not find device with ifindex 2000 in netnsfd 11
[  455.204715] Could not find netns with fd: 2000
[  455.204761] Cannot link a netdevsim to itself
[  455.204813] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).