[  479.454774] netdevsim netdevsim342 eni342np1: renamed from eth0
[  479.556407] netdevsim netdevsim715 eni715np1: renamed from eth1
[  479.907160] Could not find device with ifindex 2000 in netnsfd 11
[  479.907307] Could not find netns with fd: 2000
[  479.907377] Cannot link a netdevsim to itself
[  479.907462] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).