[  488.046260] netdevsim netdevsim464 eni464np1: renamed from eth0
[  488.143944] netdevsim netdevsim608 eni608np1: renamed from eth1
[  488.363619] Could not find device with ifindex 2000 in netnsfd 11
[  488.363804] Could not find netns with fd: 2000
[  488.363894] Cannot link a netdevsim to itself
[  488.364000] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).