[  457.473778] netdevsim netdevsim259 eni259np1: renamed from eth0
[  457.474703] netdevsim netdevsim560 eni560np1: renamed from eth1
[  457.564053] Could not find device with ifindex 2000 in netnsfd 11
[  457.564182] Could not find netns with fd: 2000
[  457.564227] Cannot link a netdevsim to itself
[  457.564277] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).