[  478.542428] netdevsim netdevsim270 eni270np1: renamed from eth0
[  478.644086] netdevsim netdevsim712 eni712np1: renamed from eth1
[  479.045523] Could not find device with ifindex 2000 in netnsfd 11
[  479.045740] Could not find netns with fd: 2000
[  479.045843] Cannot link a netdevsim to itself
[  479.045965] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).