[  478.476811] netdevsim netdevsim388 eni388np1: renamed from eth0
[  478.477666] netdevsim netdevsim561 eni561np1: renamed from eth1
[  478.565814] Could not find device with ifindex 2000 in netnsfd 11
[  478.565984] Could not find netns with fd: 2000
[  478.566107] Cannot link a netdevsim to itself
[  478.566257] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).