[  455.671429] netdevsim netdevsim427 eni427np1: renamed from eth0
[  455.672171] netdevsim netdevsim584 eni584np1: renamed from eth1
[  455.754778] Could not find device with ifindex 2000 in netnsfd 11
[  455.754890] Could not find netns with fd: 2000
[  455.754937] Cannot link a netdevsim to itself
[  455.755025] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).