[ 1269.342950][T12748] netdevsim netdevsim661 eni661np1: renamed from eth1
[ 1269.457172][T12747] netdevsim netdevsim502 eni502np1: renamed from eth0
[ 1272.110685][T12734] Could not find device with ifindex 2000 in netnsfd 11
[ 1272.113315][T12734] Could not find netns with fd: 2000
[ 1272.114244][T12734] Cannot link a netdevsim to itself
[ 1272.118761][T12734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).