[  520.023449] netdevsim netdevsim761 eni761np1: renamed from eth1
[  520.119908] netdevsim netdevsim418 eni418np1: renamed from eth0
[  520.380249] Could not find device with ifindex 2000 in netnsfd 11
[  520.380447] Could not find netns with fd: 2000
[  520.380541] Cannot link a netdevsim to itself
[  520.380664] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).