[ 1023.022223][T12576] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1023.151006][T12574] netdevsim netdevsim671 eni671np1: renamed from eth1
[ 1025.046742][T12568] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.048352][T12568] Could not find netns with fd: 2000
[ 1025.049341][T12568] Cannot link a netdevsim to itself
[ 1025.056969][T12568] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).