[  479.840618] netdevsim netdevsim392 eni392np1: renamed from eth0
[  479.942129] netdevsim netdevsim741 eni741np1: renamed from eth1
[  480.299820] Could not find device with ifindex 2000 in netnsfd 11
[  480.299993] Could not find netns with fd: 2000
[  480.300087] Cannot link a netdevsim to itself
[  480.300191] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).