[  472.907199] netdevsim netdevsim492 eni492np1: renamed from eth0
[  472.907649] netdevsim netdevsim738 eni738np1: renamed from eth1
[  472.987885] Could not find device with ifindex 2000 in netnsfd 11
[  472.987963] Could not find netns with fd: 2000
[  472.988006] Cannot link a netdevsim to itself
[  472.988055] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).