[ 1019.336345][T12142] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1019.432120][T12139] netdevsim netdevsim543 eni543np1: renamed from eth1
[ 1021.304817][T12464] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.306338][T12464] Could not find netns with fd: 2000
[ 1021.307500][T12464] Cannot link a netdevsim to itself
[ 1021.308770][T12464] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).