[  511.962634] netdevsim netdevsim715 eni715np1: renamed from eth1
[  512.059263] netdevsim netdevsim380 eni380np1: renamed from eth0
[  512.273601] Could not find device with ifindex 2000 in netnsfd 11
[  512.273772] Could not find netns with fd: 2000
[  512.273848] Cannot link a netdevsim to itself
[  512.273940] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).