[  487.623792] netdevsim netdevsim389 eni389np1: renamed from eth0
[  487.624131] netdevsim netdevsim693 eni693np1: renamed from eth1
[  487.692726] Could not find device with ifindex 2000 in netnsfd 11
[  487.692809] Could not find netns with fd: 2000
[  487.692852] Cannot link a netdevsim to itself
[  487.692901] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).