[  851.793649][T14785] netdevsim netdevsim301 eni301np1: renamed from eth0
[  851.808363][T14787] netdevsim netdevsim674 eni674np1: renamed from eth1
[  852.434783][T14773] Could not find device with ifindex 2000 in netnsfd 11
[  852.435722][T14773] Could not find netns with fd: 2000
[  852.436102][T14773] Cannot link a netdevsim to itself
[  852.436542][T14773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).