[  475.131845] netdevsim netdevsim700 eni700np1: renamed from eth1
[  475.132061] netdevsim netdevsim304 eni304np1: renamed from eth0
[  475.221356] Could not find device with ifindex 2000 in netnsfd 11
[  475.221453] Could not find netns with fd: 2000
[  475.221498] Cannot link a netdevsim to itself
[  475.221547] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).