[  484.880430] netdevsim netdevsim354 eni354np1: renamed from eth0
[  484.982725] netdevsim netdevsim660 eni660np1: renamed from eth1
[  485.308918] Could not find device with ifindex 2000 in netnsfd 11
[  485.309073] Could not find netns with fd: 2000
[  485.309160] Cannot link a netdevsim to itself
[  485.309259] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).