[  472.600884] netdevsim netdevsim763 eni763np1: renamed from eth1
[  472.601798] netdevsim netdevsim314 eni314np1: renamed from eth0
[  472.684329] Could not find device with ifindex 2000 in netnsfd 11
[  472.684423] Could not find netns with fd: 2000
[  472.684472] Cannot link a netdevsim to itself
[  472.684525] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).