[  486.832332] netdevsim netdevsim410 eni410np1: renamed from eth0
[  486.832957] netdevsim netdevsim567 eni567np1: renamed from eth1
[  486.929783] Could not find device with ifindex 2000 in netnsfd 11
[  486.929960] Could not find netns with fd: 2000
[  486.930097] Cannot link a netdevsim to itself
[  486.930264] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).