[ 1021.399206][T12632] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1021.509493][T12582] netdevsim netdevsim718 eni718np1: renamed from eth1
[ 1023.336751][T12627] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.337650][T12627] Could not find netns with fd: 2000
[ 1023.338332][T12627] Cannot link a netdevsim to itself
[ 1023.339126][T12627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).