[  529.700764] netdevsim netdevsim351 eni351np1: renamed from eth0
[  529.796777] netdevsim netdevsim515 eni515np1: renamed from eth1
[  530.033443] Could not find device with ifindex 2000 in netnsfd 11
[  530.033663] Could not find netns with fd: 2000
[  530.033779] Cannot link a netdevsim to itself
[  530.033914] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).