[  483.761401] netdevsim netdevsim347 eni347np1: renamed from eth0
[  483.862716] netdevsim netdevsim616 eni616np1: renamed from eth1
[  484.236481] Could not find device with ifindex 2000 in netnsfd 11
[  484.236669] Could not find netns with fd: 2000
[  484.236771] Cannot link a netdevsim to itself
[  484.236903] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).