[ 1029.795882][T12138] netdevsim netdevsim755 eni755np1: renamed from eth1
[ 1029.908716][T12143] netdevsim netdevsim269 eni269np1: renamed from eth0
[ 1031.725536][T12564] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.726558][T12564] Could not find netns with fd: 2000
[ 1031.727673][T12564] Cannot link a netdevsim to itself
[ 1031.728561][T12564] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).