[  493.580497] netdevsim netdevsim317 eni317np1: renamed from eth0
[  493.676928] netdevsim netdevsim559 eni559np1: renamed from eth1
[  493.899453] Could not find device with ifindex 2000 in netnsfd 11
[  493.899840] Could not find netns with fd: 2000
[  493.899953] Cannot link a netdevsim to itself
[  493.900072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).