[  479.329886] netdevsim netdevsim287 eni287np1: renamed from eth0
[  479.334781] netdevsim netdevsim684 eni684np1: renamed from eth1
[  479.423979] Could not find device with ifindex 2000 in netnsfd 11
[  479.424080] Could not find netns with fd: 2000
[  479.424127] Cannot link a netdevsim to itself
[  479.424189] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).