[  476.856798] netdevsim netdevsim630 eni630np1: renamed from eth1
[  476.857051] netdevsim netdevsim368 eni368np1: renamed from eth0
[  476.951604] Could not find device with ifindex 2000 in netnsfd 11
[  476.951746] Could not find netns with fd: 2000
[  476.951854] Cannot link a netdevsim to itself
[  476.951976] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).