[  485.573593] netdevsim netdevsim287 eni287np1: renamed from eth0
[  485.674360] netdevsim netdevsim730 eni730np1: renamed from eth1
[  486.032339] Could not find device with ifindex 2000 in netnsfd 11
[  486.032508] Could not find netns with fd: 2000
[  486.032604] Cannot link a netdevsim to itself
[  486.032724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).