[ 1252.633802][T12882] netdevsim netdevsim470 eni470np1: renamed from eth0
[ 1252.699094][T12879] netdevsim netdevsim721 eni721np1: renamed from eth1
[ 1255.450262][T12869] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.451590][T12869] Could not find netns with fd: 2000
[ 1255.452522][T12869] Cannot link a netdevsim to itself
[ 1255.453664][T12869] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).