[  488.441889] netdevsim netdevsim585 eni585np1: renamed from eth1
[  488.539044] netdevsim netdevsim309 eni309np1: renamed from eth0
[  488.751914] Could not find device with ifindex 2000 in netnsfd 11
[  488.752152] Could not find netns with fd: 2000
[  488.752227] Cannot link a netdevsim to itself
[  488.752313] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).