[  455.105392] netdevsim netdevsim343 eni343np1: renamed from eth0
[  455.106021] netdevsim netdevsim663 eni663np1: renamed from eth1
[  455.195754] Could not find device with ifindex 2000 in netnsfd 11
[  455.195846] Could not find netns with fd: 2000
[  455.195889] Cannot link a netdevsim to itself
[  455.195937] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).