[  478.794393] netdevsim netdevsim258 eni258np1: renamed from eth0
[  478.794770] netdevsim netdevsim730 eni730np1: renamed from eth1
[  478.890177] Could not find device with ifindex 2000 in netnsfd 11
[  478.890293] Could not find netns with fd: 2000
[  478.890346] Cannot link a netdevsim to itself
[  478.890412] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).