[  481.294214] netdevsim netdevsim440 eni440np1: renamed from eth0
[  481.395725] netdevsim netdevsim538 eni538np1: renamed from eth1
[  481.764381] Could not find device with ifindex 2000 in netnsfd 11
[  481.764563] Could not find netns with fd: 2000
[  481.764677] Cannot link a netdevsim to itself
[  481.764810] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).