[  484.594008] netdevsim netdevsim682 eni682np1: renamed from eth1
[  484.694874] netdevsim netdevsim398 eni398np1: renamed from eth0
[  485.049440] Could not find device with ifindex 2000 in netnsfd 11
[  485.049601] Could not find netns with fd: 2000
[  485.049698] Cannot link a netdevsim to itself
[  485.049809] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).