[  479.724920] netdevsim netdevsim328 eni328np1: renamed from eth0
[  479.725645] netdevsim netdevsim686 eni686np1: renamed from eth1
[  479.825492] Could not find device with ifindex 2000 in netnsfd 11
[  479.825613] Could not find netns with fd: 2000
[  479.825669] Cannot link a netdevsim to itself
[  479.825754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).