[ 1225.380450][T11140] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1225.391783][T11141] netdevsim netdevsim274 eni274np1: renamed from eth0
[ 1228.740931][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.741684][T11133] Could not find netns with fd: 2000
[ 1228.742288][T11133] Cannot link a netdevsim to itself
[ 1228.743028][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).