[ 1029.278124][T12683] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1029.376390][T12732] netdevsim netdevsim339 eni339np1: renamed from eth0
[ 1031.271882][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.273413][T12727] Could not find netns with fd: 2000
[ 1031.274595][T12727] Cannot link a netdevsim to itself
[ 1031.275824][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).