[  492.221574] netdevsim netdevsim302 eni302np1: renamed from eth0
[  492.318310] netdevsim netdevsim611 eni611np1: renamed from eth1
[  492.568465] Could not find device with ifindex 2000 in netnsfd 11
[  492.568826] Could not find netns with fd: 2000
[  492.568925] Cannot link a netdevsim to itself
[  492.569028] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).