[ 1024.073196][T12684] netdevsim netdevsim637 eni637np1: renamed from eth1
[ 1024.154673][T12733] netdevsim netdevsim289 eni289np1: renamed from eth0
[ 1025.891269][T12728] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.892288][T12728] Could not find netns with fd: 2000
[ 1025.892979][T12728] Cannot link a netdevsim to itself
[ 1025.893783][T12728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).