[ 1226.994469][T11132] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1227.003620][T11133] netdevsim netdevsim322 eni322np1: renamed from eth0
[ 1230.361032][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.361828][T11125] Could not find netns with fd: 2000
[ 1230.362472][T11125] Cannot link a netdevsim to itself
[ 1230.363553][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).