[  837.289581][T14797] netdevsim netdevsim470 eni470np1: renamed from eth0
[  837.318623][T14799] netdevsim netdevsim513 eni513np1: renamed from eth1
[  838.189535][T14785] Could not find device with ifindex 2000 in netnsfd 11
[  838.190307][T14785] Could not find netns with fd: 2000
[  838.190866][T14785] Cannot link a netdevsim to itself
[  838.191532][T14785] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).