[  765.864132][T14585] netdevsim netdevsim419 eni419np1: renamed from eth0
[  765.911570][T14586] netdevsim netdevsim620 eni620np1: renamed from eth1
[  766.661958][T14573] Could not find device with ifindex 2000 in netnsfd 11
[  766.662530][T14573] Could not find netns with fd: 2000
[  766.662907][T14573] Cannot link a netdevsim to itself
[  766.663372][T14573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).