[ 1270.773207][T12854] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1270.862081][T12855] netdevsim netdevsim319 eni319np1: renamed from eth0
[ 1273.512741][T12845] Could not find device with ifindex 2000 in netnsfd 11
[ 1273.514507][T12845] Could not find netns with fd: 2000
[ 1273.515487][T12845] Cannot link a netdevsim to itself
[ 1273.516640][T12845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).