[  479.865280] netdevsim netdevsim387 eni387np1: renamed from eth0
[  479.865596] netdevsim netdevsim513 eni513np1: renamed from eth1
[  479.969912] Could not find device with ifindex 2000 in netnsfd 11
[  479.970046] Could not find netns with fd: 2000
[  479.970096] Cannot link a netdevsim to itself
[  479.970158] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).