[  484.256900] netdevsim netdevsim726 eni726np1: renamed from eth1
[  484.352466] netdevsim netdevsim465 eni465np1: renamed from eth0
[  484.583119] Could not find device with ifindex 2000 in netnsfd 11
[  484.583518] Could not find netns with fd: 2000
[  484.583634] Cannot link a netdevsim to itself
[  484.583779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).