[ 1239.835122][T12772] netdevsim netdevsim731 eni731np1: renamed from eth1
[ 1239.951437][T12775] netdevsim netdevsim332 eni332np1: renamed from eth0
[ 1242.559459][T12767] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.560588][T12767] Could not find netns with fd: 2000
[ 1242.561440][T12767] Cannot link a netdevsim to itself
[ 1242.562497][T12767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).