[ 1306.030217][T13057] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1306.035181][T13053] netdevsim netdevsim687 eni687np1: renamed from eth1
[ 1308.897566][T13044] Could not find device with ifindex 2000 in netnsfd 11
[ 1308.898773][T13044] Could not find netns with fd: 2000
[ 1308.899709][T13044] Cannot link a netdevsim to itself
[ 1308.901171][T13044] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).