[  849.132552][T14772] netdevsim netdevsim475 eni475np1: renamed from eth0
[  849.152683][T14773] netdevsim netdevsim584 eni584np1: renamed from eth1
[  849.858564][T14760] Could not find device with ifindex 2000 in netnsfd 11
[  849.859471][T14760] Could not find netns with fd: 2000
[  849.859882][T14760] Cannot link a netdevsim to itself
[  849.860338][T14760] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).