[  837.624173][T15765] netdevsim netdevsim563 eni563np1: renamed from eth1
[  837.632358][T15767] netdevsim netdevsim332 eni332np1: renamed from eth0
[  838.252606][T15754] Could not find device with ifindex 2000 in netnsfd 11
[  838.253433][T15754] Could not find netns with fd: 2000
[  838.254049][T15754] Cannot link a netdevsim to itself
[  838.254569][T15754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).