[  490.742258] netdevsim netdevsim464 eni464np1: renamed from eth0
[  490.842895] netdevsim netdevsim512 eni512np1: renamed from eth1
[  491.188091] Could not find device with ifindex 2000 in netnsfd 11
[  491.188241] Could not find netns with fd: 2000
[  491.188317] Cannot link a netdevsim to itself
[  491.188416] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).