[  457.426265] netdevsim netdevsim352 eni352np1: renamed from eth0
[  457.427223] netdevsim netdevsim629 eni629np1: renamed from eth1
[  457.534343] Could not find device with ifindex 2000 in netnsfd 11
[  457.534461] Could not find netns with fd: 2000
[  457.534512] Cannot link a netdevsim to itself
[  457.534568] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).