[  475.046500] netdevsim netdevsim318 eni318np1: renamed from eth0
[  475.047220] netdevsim netdevsim618 eni618np1: renamed from eth1
[  475.129556] Could not find device with ifindex 2000 in netnsfd 11
[  475.129719] Could not find netns with fd: 2000
[  475.129856] Cannot link a netdevsim to itself
[  475.130005] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).