[  480.007675] netdevsim netdevsim665 eni665np1: renamed from eth1
[  480.107555] netdevsim netdevsim488 eni488np1: renamed from eth0
[  480.458423] Could not find device with ifindex 2000 in netnsfd 11
[  480.458560] Could not find netns with fd: 2000
[  480.458635] Cannot link a netdevsim to itself
[  480.458724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).