[  523.493763] netdevsim netdevsim741 eni741np1: renamed from eth1
[  523.589635] netdevsim netdevsim369 eni369np1: renamed from eth0
[  523.858990] Could not find device with ifindex 2000 in netnsfd 11
[  523.859196] Could not find netns with fd: 2000
[  523.859318] Cannot link a netdevsim to itself
[  523.859455] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).