[ 1252.618427][T12917] netdevsim netdevsim396 eni396np1: renamed from eth0
[ 1252.725999][T12915] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1255.384731][T12909] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.386764][T12909] Could not find netns with fd: 2000
[ 1255.402100][T12909] Cannot link a netdevsim to itself
[ 1255.403412][T12909] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).