[  490.036501] netdevsim netdevsim345 eni345np1: renamed from eth0
[  490.136919] netdevsim netdevsim703 eni703np1: renamed from eth1
[  490.524457] Could not find device with ifindex 2000 in netnsfd 11
[  490.524653] Could not find netns with fd: 2000
[  490.524751] Cannot link a netdevsim to itself
[  490.524874] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).