[  521.022866] netdevsim netdevsim327 eni327np1: renamed from eth0
[  521.119805] netdevsim netdevsim514 eni514np1: renamed from eth1
[  521.360669] Could not find device with ifindex 2000 in netnsfd 11
[  521.360865] Could not find netns with fd: 2000
[  521.360970] Cannot link a netdevsim to itself
[  521.361069] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).