[  475.934887] netdevsim netdevsim260 eni260np1: renamed from eth0
[  475.935320] netdevsim netdevsim760 eni760np1: renamed from eth1
[  476.023249] Could not find device with ifindex 2000 in netnsfd 11
[  476.023333] Could not find netns with fd: 2000
[  476.023375] Cannot link a netdevsim to itself
[  476.023425] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).