[ 1246.397298][T12779] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1246.517985][T12782] netdevsim netdevsim368 eni368np1: renamed from eth0
[ 1248.905872][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.907616][T12774] Could not find netns with fd: 2000
[ 1248.920750][T12774] Cannot link a netdevsim to itself
[ 1248.922606][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).