[  753.254125][T14633] netdevsim netdevsim445 eni445np1: renamed from eth0
[  753.270225][T14635] netdevsim netdevsim566 eni566np1: renamed from eth1
[  753.842352][T14621] Could not find device with ifindex 2000 in netnsfd 11
[  753.843070][T14621] Could not find netns with fd: 2000
[  753.843547][T14621] Cannot link a netdevsim to itself
[  753.844084][T14621] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).