[ 1227.287311][T11150] netdevsim netdevsim556 eni556np1: renamed from eth1
[ 1227.388663][T11152] netdevsim netdevsim447 eni447np1: renamed from eth0
[ 1230.717066][T11144] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.717850][T11144] Could not find netns with fd: 2000
[ 1230.718460][T11144] Cannot link a netdevsim to itself
[ 1230.719541][T11144] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).