[  488.528401] netdevsim netdevsim389 eni389np1: renamed from eth0
[  488.629331] netdevsim netdevsim630 eni630np1: renamed from eth1
[  488.954454] Could not find device with ifindex 2000 in netnsfd 11
[  488.954603] Could not find netns with fd: 2000
[  488.954691] Cannot link a netdevsim to itself
[  488.954785] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).