[ 1037.047122][T12696] netdevsim netdevsim286 eni286np1: renamed from eth0
[ 1037.151474][T12695] netdevsim netdevsim632 eni632np1: renamed from eth1
[ 1039.071858][T12740] Could not find device with ifindex 2000 in netnsfd 11
[ 1039.072832][T12740] Could not find netns with fd: 2000
[ 1039.073532][T12740] Cannot link a netdevsim to itself
[ 1039.074357][T12740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).