[ 1012.426484][T12738] netdevsim netdevsim267 eni267np1: renamed from eth0
[ 1012.528588][T12689] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1014.231141][T12733] Could not find device with ifindex 2000 in netnsfd 11
[ 1014.232693][T12733] Could not find netns with fd: 2000
[ 1014.234033][T12733] Cannot link a netdevsim to itself
[ 1014.235295][T12733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).