[  487.345827] netdevsim netdevsim322 eni322np1: renamed from eth0
[  487.346216] netdevsim netdevsim543 eni543np1: renamed from eth1
[  487.443529] Could not find device with ifindex 2000 in netnsfd 11
[  487.443684] Could not find netns with fd: 2000
[  487.443802] Cannot link a netdevsim to itself
[  487.443933] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).