[  490.756093] netdevsim netdevsim302 eni302np1: renamed from eth0
[  490.757232] netdevsim netdevsim672 eni672np1: renamed from eth1
[  490.860979] Could not find device with ifindex 2000 in netnsfd 11
[  490.861202] Could not find netns with fd: 2000
[  490.861364] Cannot link a netdevsim to itself
[  490.861552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).