qemu 14: pass to dm-agent a name for nic device
qemu 14: pass to dm-agent a name for nic device

OXT-118

Signed-off-by: Eric Chanudet <fdf29a0685e788af7c86638a759bdb17ff8838fa@gmail.com>

OpenXT/toolstack,crogers1/toolstack,crogers1/toolstack,eric-ch/toolstack,ktemkin/openxt-toolstack,eric-ch/toolstack,ktemkin/openxt-toolstack,OpenXT/toolstack