[ 1235.299339][T11130] netdevsim netdevsim632 eni632np1: renamed from eth1
[ 1235.404943][T11131] netdevsim netdevsim342 eni342np1: renamed from eth0
[ 1238.781343][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.782183][T11123] Could not find netns with fd: 2000
[ 1238.782799][T11123] Cannot link a netdevsim to itself
[ 1238.783472][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).