[  519.685739] netdevsim netdevsim741 eni741np1: renamed from eth1
[  519.783358] netdevsim netdevsim285 eni285np1: renamed from eth0
[  520.018990] Could not find device with ifindex 2000 in netnsfd 11
[  520.019205] Could not find netns with fd: 2000
[  520.019377] Cannot link a netdevsim to itself
[  520.019485] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).