[  490.268800] netdevsim netdevsim287 eni287np1: renamed from eth0
[  490.366502] netdevsim netdevsim575 eni575np1: renamed from eth1
[  490.599802] Could not find device with ifindex 2000 in netnsfd 11
[  490.600012] Could not find netns with fd: 2000
[  490.600120] Cannot link a netdevsim to itself
[  490.600253] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).