[  753.886681][T14567] netdevsim netdevsim397 eni397np1: renamed from eth0
[  753.900746][T14569] netdevsim netdevsim607 eni607np1: renamed from eth1
[  754.427866][T14555] Could not find device with ifindex 2000 in netnsfd 11
[  754.428338][T14555] Could not find netns with fd: 2000
[  754.428666][T14555] Cannot link a netdevsim to itself
[  754.429243][T14555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).