[  488.369144] netdevsim netdevsim484 eni484np1: renamed from eth0
[  488.369456] netdevsim netdevsim560 eni560np1: renamed from eth1
[  488.454167] Could not find device with ifindex 2000 in netnsfd 11
[  488.454257] Could not find netns with fd: 2000
[  488.454307] Cannot link a netdevsim to itself
[  488.454363] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).