[ 1211.438454][T12779] netdevsim netdevsim334 eni334np1: renamed from eth0
[ 1211.446705][T12776] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1214.277136][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1214.278292][T12771] Could not find netns with fd: 2000
[ 1214.279171][T12771] Cannot link a netdevsim to itself
[ 1214.280307][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).