[ 1231.151388][T11137] netdevsim netdevsim687 eni687np1: renamed from eth1
[ 1231.248303][T11138] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1234.504788][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.505513][T11130] Could not find netns with fd: 2000
[ 1234.506062][T11130] Cannot link a netdevsim to itself
[ 1234.507012][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).