[ 1011.757756][T12136] netdevsim netdevsim291 eni291np1: renamed from eth0
[ 1011.877111][T12073] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1013.671021][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1013.671988][T12725] Could not find netns with fd: 2000
[ 1013.672645][T12725] Cannot link a netdevsim to itself
[ 1013.673434][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).