[ 1016.868227][T12064] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1016.963727][T12126] netdevsim netdevsim299 eni299np1: renamed from eth0
[ 1018.818230][T12548] Could not find device with ifindex 2000 in netnsfd 11
[ 1018.819214][T12548] Could not find netns with fd: 2000
[ 1018.819913][T12548] Cannot link a netdevsim to itself
[ 1018.820665][T12548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).