[  487.594195] netdevsim netdevsim591 eni591np1: renamed from eth1
[  487.691552] netdevsim netdevsim323 eni323np1: renamed from eth0
[  487.917864] Could not find device with ifindex 2000 in netnsfd 11
[  487.918073] Could not find netns with fd: 2000
[  487.918167] Cannot link a netdevsim to itself
[  487.918260] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).