[  486.382409] netdevsim netdevsim271 eni271np1: renamed from eth0
[  486.383070] netdevsim netdevsim618 eni618np1: renamed from eth1
[  486.767777] Could not find device with ifindex 2000 in netnsfd 11
[  486.767966] Could not find netns with fd: 2000
[  486.768065] Cannot link a netdevsim to itself
[  486.768183] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).