[  498.243736] netdevsim netdevsim560 eni560np1: renamed from eth1
[  498.339683] netdevsim netdevsim266 eni266np1: renamed from eth0
[  498.562704] Could not find device with ifindex 2000 in netnsfd 11
[  498.562991] Could not find netns with fd: 2000
[  498.563077] Cannot link a netdevsim to itself
[  498.563163] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).