[  484.044477] netdevsim netdevsim472 eni472np1: renamed from eth0
[  484.045276] netdevsim netdevsim518 eni518np1: renamed from eth1
[  484.130767] Could not find device with ifindex 2000 in netnsfd 11
[  484.130856] Could not find netns with fd: 2000
[  484.130900] Cannot link a netdevsim to itself
[  484.130956] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).