[ 1226.747172][T11131] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1226.869345][T11132] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1230.109787][T11124] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.110510][T11124] Could not find netns with fd: 2000
[ 1230.111058][T11124] Cannot link a netdevsim to itself
[ 1230.111774][T11124] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).