[ 1038.023611][T12582] netdevsim netdevsim520 eni520np1: renamed from eth1
[ 1038.038382][T12583] netdevsim netdevsim329 eni329np1: renamed from eth0
[ 1040.031691][T12576] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.032792][T12576] Could not find netns with fd: 2000
[ 1040.033827][T12576] Cannot link a netdevsim to itself
[ 1040.034588][T12576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).