[  486.702121] netdevsim netdevsim575 eni575np1: renamed from eth1
[  486.796802] netdevsim netdevsim317 eni317np1: renamed from eth0
[  487.004285] Could not find device with ifindex 2000 in netnsfd 11
[  487.004711] Could not find netns with fd: 2000
[  487.004885] Cannot link a netdevsim to itself
[  487.005016] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).