[ 1244.964613][T12788] netdevsim netdevsim335 eni335np1: renamed from eth0
[ 1244.969912][T12789] netdevsim netdevsim578 eni578np1: renamed from eth1
[ 1247.730163][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.731340][T12776] Could not find netns with fd: 2000
[ 1247.732207][T12776] Cannot link a netdevsim to itself
[ 1247.733313][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).