[  481.423568] netdevsim netdevsim264 eni264np1: renamed from eth0
[  481.526076] netdevsim netdevsim731 eni731np1: renamed from eth1
[  481.924158] Could not find device with ifindex 2000 in netnsfd 11
[  481.924313] Could not find netns with fd: 2000
[  481.924388] Cannot link a netdevsim to itself
[  481.924485] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).