[  425.415437] netdevsim netdevsim481 eni481np1: renamed from eth0
[  425.416023] netdevsim netdevsim748 eni748np1: renamed from eth1
[  425.497938] Could not find device with ifindex 2000 in netnsfd 11
[  425.498013] Could not find netns with fd: 2000
[  425.498057] Cannot link a netdevsim to itself
[  425.498104] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).