[ 1425.616347][T12503] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1425.633317][T12504] netdevsim netdevsim761 eni761np1: renamed from eth1
[ 1429.262851][T12497] Could not find device with ifindex 2000 in netnsfd 11
[ 1429.263658][T12497] Could not find netns with fd: 2000
[ 1429.264355][T12497] Cannot link a netdevsim to itself
[ 1429.265118][T12497] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).