[  609.553712][ T9793] netdevsim netdevsim573 eni573np1: renamed from eth1
[  609.559111][ T9790] netdevsim netdevsim410 eni410np1: renamed from eth0
[  610.332220][ T9779] Could not find device with ifindex 2000 in netnsfd 11
[  610.332702][ T9779] Could not find netns with fd: 2000
[  610.333046][ T9779] Cannot link a netdevsim to itself
[  610.333469][ T9779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).