[  472.422879] netdevsim netdevsim286 eni286np1: renamed from eth0
[  472.423258] netdevsim netdevsim698 eni698np1: renamed from eth1
[  472.507116] Could not find device with ifindex 2000 in netnsfd 11
[  472.507204] Could not find netns with fd: 2000
[  472.507252] Cannot link a netdevsim to itself
[  472.507309] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).