[ 1023.002211][T12588] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1023.102241][T12589] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1025.127729][T12581] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.129215][T12581] Could not find netns with fd: 2000
[ 1025.130376][T12581] Cannot link a netdevsim to itself
[ 1025.131660][T12581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).