( cd usr/lib64 ; rm -rf libdatachannel.so )
( cd usr/lib64 ; ln -sf libdatachannel.so.0.22 libdatachannel.so )
( cd usr/lib64 ; rm -rf libdatachannel.so.0.22 )
( cd usr/lib64 ; ln -sf libdatachannel.so.0.22.6 libdatachannel.so.0.22 )
