[  520.695289] netdevsim netdevsim689 eni689np1: renamed from eth1
[  520.793329] netdevsim netdevsim360 eni360np1: renamed from eth0
[  521.012284] Could not find device with ifindex 2000 in netnsfd 11
[  521.012470] Could not find netns with fd: 2000
[  521.012575] Cannot link a netdevsim to itself
[  521.012707] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).