[  472.288846] netdevsim netdevsim611 eni611np1: renamed from eth1
[  472.289355] netdevsim netdevsim290 eni290np1: renamed from eth0
[  472.359111] Could not find device with ifindex 2000 in netnsfd 11
[  472.359197] Could not find netns with fd: 2000
[  472.359241] Cannot link a netdevsim to itself
[  472.359292] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).