[  483.996063] netdevsim netdevsim748 eni748np1: renamed from eth1
[  484.096514] netdevsim netdevsim363 eni363np1: renamed from eth0
[  484.428995] Could not find device with ifindex 2000 in netnsfd 11
[  484.429123] Could not find netns with fd: 2000
[  484.429194] Cannot link a netdevsim to itself
[  484.429286] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).