[  744.444312][T13110] netdevsim netdevsim349 eni349np1: renamed from eth0
[  744.471481][T13112] netdevsim netdevsim757 eni757np1: renamed from eth1
[  745.204391][T13098] Could not find device with ifindex 2000 in netnsfd 11
[  745.205565][T13098] Could not find netns with fd: 2000
[  745.206137][T13098] Cannot link a netdevsim to itself
[  745.206672][T13098] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).