[ 1043.086494][T12756] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1043.201468][T12758] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1045.049944][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1045.050984][T12750] Could not find netns with fd: 2000
[ 1045.052045][T12750] Cannot link a netdevsim to itself
[ 1045.053152][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).