[ 1237.321591][T12617] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1237.327043][T12619] netdevsim netdevsim760 eni760np1: renamed from eth1
[ 1240.156905][T12607] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.158831][T12607] Could not find netns with fd: 2000
[ 1240.160408][T12607] Cannot link a netdevsim to itself
[ 1240.161678][T12607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).