[ 1235.661771][T11129] netdevsim netdevsim553 eni553np1: renamed from eth1
[ 1235.687421][T11130] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1238.859139][T11122] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.859858][T11122] Could not find netns with fd: 2000
[ 1238.860447][T11122] Cannot link a netdevsim to itself
[ 1238.861112][T11122] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).