snet: SCIONPacketConn.ReadFrom - Don't fail on nil argument (#3282)
snet: SCIONPacketConn.ReadFrom - Don't fail on nil argument (#3282)


Oncilla/scion,netsec-ethz/scion,Oncilla/scion,netsec-ethz/scion,netsec-ethz/scion,Oncilla/scion,netsec-ethz/scion,Oncilla/scion