[  484.127006] netdevsim netdevsim269 eni269np1: renamed from eth0
[  484.127479] netdevsim netdevsim656 eni656np1: renamed from eth1
[  484.210575] Could not find device with ifindex 2000 in netnsfd 11
[  484.210680] Could not find netns with fd: 2000
[  484.210725] Cannot link a netdevsim to itself
[  484.210774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).