[ 1321.301595][T12785] netdevsim netdevsim685 eni685np1: renamed from eth1
[ 1321.369325][T12786] netdevsim netdevsim509 eni509np1: renamed from eth0
[ 1324.226159][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1324.227317][T12774] Could not find netns with fd: 2000
[ 1324.228215][T12774] Cannot link a netdevsim to itself
[ 1324.229450][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).