[  796.324227][T14592] netdevsim netdevsim300 eni300np1: renamed from eth0
[  796.337336][T14594] netdevsim netdevsim665 eni665np1: renamed from eth1
[  797.053676][T14580] Could not find device with ifindex 2000 in netnsfd 11
[  797.054570][T14580] Could not find netns with fd: 2000
[  797.055689][T14580] Cannot link a netdevsim to itself
[  797.056565][T14580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).