[ 1032.902228][T12646] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1033.022227][T12580] netdevsim netdevsim566 eni566np1: renamed from eth1
[ 1034.949803][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1034.958223][T12725] Could not find netns with fd: 2000
[ 1034.959028][T12725] Cannot link a netdevsim to itself
[ 1034.959818][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).