[ 1020.701962][T12739] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1020.787074][T12690] netdevsim netdevsim598 eni598np1: renamed from eth1
[ 1022.621166][T12734] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.622655][T12734] Could not find netns with fd: 2000
[ 1022.623782][T12734] Cannot link a netdevsim to itself
[ 1022.625074][T12734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).