[ 1011.091483][T12139] netdevsim netdevsim533 eni533np1: renamed from eth1
[ 1011.197227][T12138] netdevsim netdevsim309 eni309np1: renamed from eth0
[ 1013.036572][T12559] Could not find device with ifindex 2000 in netnsfd 11
[ 1013.037824][T12559] Could not find netns with fd: 2000
[ 1013.038744][T12559] Cannot link a netdevsim to itself
[ 1013.039754][T12559] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).