[ 1301.828200][T12861] netdevsim netdevsim538 eni538np1: renamed from eth1
[ 1301.940409][T12860] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1304.542542][T12847] Could not find device with ifindex 2000 in netnsfd 11
[ 1304.544412][T12847] Could not find netns with fd: 2000
[ 1304.545814][T12847] Cannot link a netdevsim to itself
[ 1304.547614][T12847] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).