[  801.695172][T14762] netdevsim netdevsim321 eni321np1: renamed from eth0
[  801.709506][T14764] netdevsim netdevsim713 eni713np1: renamed from eth1
[  802.324438][T14750] Could not find device with ifindex 2000 in netnsfd 11
[  802.325296][T14750] Could not find netns with fd: 2000
[  802.325786][T14750] Cannot link a netdevsim to itself
[  802.326350][T14750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).