[  486.331007] netdevsim netdevsim302 eni302np1: renamed from eth0
[  486.431528] netdevsim netdevsim607 eni607np1: renamed from eth1
[  486.794085] Could not find device with ifindex 2000 in netnsfd 11
[  486.794251] Could not find netns with fd: 2000
[  486.794319] Cannot link a netdevsim to itself
[  486.794401] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).