[  477.932475] netdevsim netdevsim479 eni479np1: renamed from eth0
[  477.932790] netdevsim netdevsim763 eni763np1: renamed from eth1
[  478.021831] Could not find device with ifindex 2000 in netnsfd 11
[  478.022004] Could not find netns with fd: 2000
[  478.022137] Cannot link a netdevsim to itself
[  478.022279] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).