[  484.314946] netdevsim netdevsim381 eni381np1: renamed from eth0
[  484.315246] netdevsim netdevsim544 eni544np1: renamed from eth1
[  484.403809] Could not find device with ifindex 2000 in netnsfd 11
[  484.403960] Could not find netns with fd: 2000
[  484.404063] Cannot link a netdevsim to itself
[  484.404191] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).