[  522.633699] netdevsim netdevsim465 eni465np1: renamed from eth0
[  522.731102] netdevsim netdevsim604 eni604np1: renamed from eth1
[  522.962631] Could not find device with ifindex 2000 in netnsfd 11
[  522.962835] Could not find netns with fd: 2000
[  522.962936] Cannot link a netdevsim to itself
[  522.963051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).