[  207.386776][ T5457] netdevsim netdevsim340 eni340np1: renamed from eth0
[  207.404095][ T5459] netdevsim netdevsim580 eni580np1: renamed from eth1
[  208.068910][ T5445] Could not find device with ifindex 2000 in netnsfd 11
[  208.069739][ T5445] Could not find netns with fd: 2000
[  208.070121][ T5445] Cannot link a netdevsim to itself
[  208.074769][ T5445] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).