[  478.863364] netdevsim netdevsim310 eni310np1: renamed from eth0
[  478.863540] netdevsim netdevsim618 eni618np1: renamed from eth1
[  478.951271] Could not find device with ifindex 2000 in netnsfd 11
[  478.951369] Could not find netns with fd: 2000
[  478.951423] Cannot link a netdevsim to itself
[  478.951475] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).