[  490.739219] netdevsim netdevsim352 eni352np1: renamed from eth0
[  490.835880] netdevsim netdevsim600 eni600np1: renamed from eth1
[  491.069034] Could not find device with ifindex 2000 in netnsfd 11
[  491.069332] Could not find netns with fd: 2000
[  491.069436] Cannot link a netdevsim to itself
[  491.069535] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).