[  753.460823][T14441] netdevsim netdevsim263 eni263np1: renamed from eth0
[  753.488610][T14443] netdevsim netdevsim713 eni713np1: renamed from eth1
[  754.242896][T14429] Could not find device with ifindex 2000 in netnsfd 11
[  754.243435][T14429] Could not find netns with fd: 2000
[  754.243830][T14429] Cannot link a netdevsim to itself
[  754.244253][T14429] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).