[  488.326813] netdevsim netdevsim340 eni340np1: renamed from eth0
[  488.428300] netdevsim netdevsim575 eni575np1: renamed from eth1
[  488.781837] Could not find device with ifindex 2000 in netnsfd 11
[  488.782003] Could not find netns with fd: 2000
[  488.782092] Cannot link a netdevsim to itself
[  488.782188] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).