[  486.195833] netdevsim netdevsim346 eni346np1: renamed from eth0
[  486.196595] netdevsim netdevsim767 eni767np1: renamed from eth1
[  486.300067] Could not find device with ifindex 2000 in netnsfd 11
[  486.300242] Could not find netns with fd: 2000
[  486.300381] Cannot link a netdevsim to itself
[  486.300518] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).