[ 1040.034595][T12755] netdevsim netdevsim390 eni390np1: renamed from eth0
[ 1040.128504][T12754] netdevsim netdevsim760 eni760np1: renamed from eth1
[ 1041.975905][T12747] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.977352][T12747] Could not find netns with fd: 2000
[ 1041.978251][T12747] Cannot link a netdevsim to itself
[ 1041.979296][T12747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).