[ 1255.114183][T12760] netdevsim netdevsim715 eni715np1: renamed from eth1
[ 1255.176064][T12758] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1258.038037][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1258.039769][T12748] Could not find netns with fd: 2000
[ 1258.040737][T12748] Cannot link a netdevsim to itself
[ 1258.042083][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).