[  485.240016] netdevsim netdevsim372 eni372np1: renamed from eth0
[  485.341186] netdevsim netdevsim730 eni730np1: renamed from eth1
[  485.704698] Could not find device with ifindex 2000 in netnsfd 11
[  485.704855] Could not find netns with fd: 2000
[  485.704933] Cannot link a netdevsim to itself
[  485.705026] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).