[  490.063257] netdevsim netdevsim651 eni651np1: renamed from eth1
[  490.159965] netdevsim netdevsim433 eni433np1: renamed from eth0
[  490.391492] Could not find device with ifindex 2000 in netnsfd 11
[  490.391854] Could not find netns with fd: 2000
[  490.391955] Cannot link a netdevsim to itself
[  490.392082] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).