[  485.700645] netdevsim netdevsim273 eni273np1: renamed from eth0
[  485.701981] netdevsim netdevsim591 eni591np1: renamed from eth1
[  485.797275] Could not find device with ifindex 2000 in netnsfd 11
[  485.797378] Could not find netns with fd: 2000
[  485.797423] Cannot link a netdevsim to itself
[  485.797475] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).