[  522.109280] netdevsim netdevsim577 eni577np1: renamed from eth1
[  522.206043] netdevsim netdevsim328 eni328np1: renamed from eth0
[  522.447616] Could not find device with ifindex 2000 in netnsfd 11
[  522.447766] Could not find netns with fd: 2000
[  522.447856] Cannot link a netdevsim to itself
[  522.447954] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).