[ 1024.049174][T12582] netdevsim netdevsim439 eni439np1: renamed from eth0
[ 1024.136173][T12651] netdevsim netdevsim651 eni651np1: renamed from eth1
[ 1026.165008][T12728] Could not find device with ifindex 2000 in netnsfd 11
[ 1026.166407][T12728] Could not find netns with fd: 2000
[ 1026.167100][T12728] Cannot link a netdevsim to itself
[ 1026.167914][T12728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).