[  509.463828] netdevsim netdevsim711 eni711np1: renamed from eth1
[  509.561882] netdevsim netdevsim362 eni362np1: renamed from eth0
[  509.757242] Could not find device with ifindex 2000 in netnsfd 11
[  509.757428] Could not find netns with fd: 2000
[  509.757515] Cannot link a netdevsim to itself
[  509.757615] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).