[  514.371210] netdevsim netdevsim764 eni764np1: renamed from eth1
[  514.468232] netdevsim netdevsim329 eni329np1: renamed from eth0
[  514.706396] Could not find device with ifindex 2000 in netnsfd 11
[  514.706601] Could not find netns with fd: 2000
[  514.706712] Cannot link a netdevsim to itself
[  514.706845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).