[  480.377593] netdevsim netdevsim543 eni543np1: renamed from eth1
[  480.477645] netdevsim netdevsim392 eni392np1: renamed from eth0
[  480.847799] Could not find device with ifindex 2000 in netnsfd 11
[  480.847918] Could not find netns with fd: 2000
[  480.847981] Cannot link a netdevsim to itself
[  480.848078] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).