[ 1184.172857][T12781] netdevsim netdevsim756 eni756np1: renamed from eth1
[ 1184.262846][T12783] netdevsim netdevsim488 eni488np1: renamed from eth0
[ 1187.082454][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1187.083740][T12775] Could not find netns with fd: 2000
[ 1187.084611][T12775] Cannot link a netdevsim to itself
[ 1187.085662][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).