URC mistaken for solicited responce

[matthew stanger]

Hey Aleksander,

I found this in our logs. As you can see we get a URC right after a
solicited request that's polled. This causes a connection reset.

2018-04-25T07:35:19.155738 ModemManager[1797]: <debug> (ttyACM1): -->
'AT^SWWAN?<CR>'
2018-04-25T07:35:20.317705 ModemManager[1797]: <debug> (ttyACM0): <--
'<CR><LF>+CIEV: 1,3<CR><LF>'
2018-04-25T07:35:20.398151 ModemManager[1797]: <debug> (ttyACM1): <--
'<CR><LF>+CIND: 0,2,1,1,1,0,1,0<CR><LF><CR><LF>OK<CR><LF><CR><LF>+CIEV:
1,3<CR><LF><CR><LF>+CIEV: psinfo,6<CR><LF><CR><LF>+CREG:
5,"1611","0217BCC",2<CR><LF><CR><LF>+CGREG:
5,"1611","0217BCC",2<CR><LF><CR><LF>+CIEV: psinfo,10<CR><LF>'
2018-04-25T07:35:20.413390 ModemManager[1797]: <debug> Modem
/org/freedesktop/ModemManager1/Modem/0: access technology changed (hsdpa,
hsupa -> umts)
2018-04-25T07:35:20.427281 ModemManager[1797]: <debug> Modem
/org/freedesktop/ModemManager1/Modem/0: access technology changed (umts ->
hsdpa, hsupa)
2018-04-25T07:35:20.438959 ModemManager[1797]: <warn>  checking if
connected failed: Couldn't parse ^SWWAN response: '+CIND: 0,2,1,1,1,0,1,0'

I'm looking to push a patch for this but wanted to see if anyone had
thoughts on approach before I start?

Cheers
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