[  525.493806] netdevsim netdevsim315 eni315np1: renamed from eth0
[  525.589898] netdevsim netdevsim595 eni595np1: renamed from eth1
[  525.844992] Could not find device with ifindex 2000 in netnsfd 11
[  525.845212] Could not find netns with fd: 2000
[  525.845320] Cannot link a netdevsim to itself
[  525.845420] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).