[ 1041.676900][T12585] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1041.781072][T12583] netdevsim netdevsim443 eni443np1: renamed from eth0
[ 1043.616627][T12575] Could not find device with ifindex 2000 in netnsfd 11
[ 1043.617603][T12575] Could not find netns with fd: 2000
[ 1043.618304][T12575] Cannot link a netdevsim to itself
[ 1043.619063][T12575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).