[  481.058927] netdevsim netdevsim706 eni706np1: renamed from eth1
[  481.159154] netdevsim netdevsim270 eni270np1: renamed from eth0
[  481.494693] Could not find device with ifindex 2000 in netnsfd 11
[  481.494848] Could not find netns with fd: 2000
[  481.494944] Cannot link a netdevsim to itself
[  481.495035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).