[  859.523870][T15857] netdevsim netdevsim489 eni489np1: renamed from eth0
[  859.532031][T15858] netdevsim netdevsim713 eni713np1: renamed from eth1
[  860.164437][T15845] Could not find device with ifindex 2000 in netnsfd 11
[  860.165189][T15845] Could not find netns with fd: 2000
[  860.165708][T15845] Cannot link a netdevsim to itself
[  860.166243][T15845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).