[  460.461322] netdevsim netdevsim299 eni299np1: renamed from eth0
[  460.461712] netdevsim netdevsim632 eni632np1: renamed from eth1
[  460.553017] Could not find device with ifindex 2000 in netnsfd 11
[  460.553140] Could not find netns with fd: 2000
[  460.553199] Cannot link a netdevsim to itself
[  460.553309] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).