[ 1230.762329][T11147] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1230.783019][T11148] netdevsim netdevsim567 eni567np1: renamed from eth1
[ 1234.215781][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.216482][T11139] Could not find netns with fd: 2000
[ 1234.217016][T11139] Cannot link a netdevsim to itself
[ 1234.217663][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).