[ 1230.643043][T11139] netdevsim netdevsim454 eni454np1: renamed from eth0
[ 1230.662115][T11138] netdevsim netdevsim750 eni750np1: renamed from eth1
[ 1233.886909][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.887578][T11131] Could not find netns with fd: 2000
[ 1233.888124][T11131] Cannot link a netdevsim to itself
[ 1233.888988][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).