[  486.690936] netdevsim netdevsim430 eni430np1: renamed from eth0
[  486.788445] netdevsim netdevsim632 eni632np1: renamed from eth1
[  487.002914] Could not find device with ifindex 2000 in netnsfd 11
[  487.003062] Could not find netns with fd: 2000
[  487.003134] Cannot link a netdevsim to itself
[  487.003223] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).