A method comprising: sending an I/O message to an I/O device on an I/O bus, wherein the I/O device comprises an I/O device state, wherein the first I/O message is a I/O traffic type; receiving a LSR suspend request comprising a suspend instruction to suspend the I/O traffic type, an expected impact, and an I/O device identifier associated with the I/O device; setting the I/O device state to suspended in response to the receiving the LSR suspend request, wherein no I/O messages of the I/O traffic type are sent to the I/O device while the I/O device state is suspended; receiving a LSR resume request comprising a resume instruction to resume the I/O traffic type, the expected impact, and the I/O device identifier; setting the I/O device state to online in response to the receiving the LSR resume request; and sending a second I/O message to the I/O device.