Snmp problem with 2.1rc

[sirdir]

Hi!

There seems to be a problem with snmp in 2.1rc0.

since I upgraded yesterday I get the following error from mrtg:

2013-05-28 14:30:15: WARNING: Can not determine ifNumber for xx@xx: ref: 'Name' key: 'em0'
2013-05-28 14:30:15: WARNING: Can not determine ifNumber for xx@xx: ref: 'Name' key: 'em1'
2013-05-28 14:30:16: ERROR: Target[xx@xx_em0][IN] ' $target->[0]{$mode} ' did not eval into defined data
2013-05-28 14:30:16: ERROR: Target[xx@xx_em0][OUT] ' $target->[0]{$mode} ' did not eval into defined data
2013-05-28 14:30:16: ERROR: Target[xx@xx_em1][IN] ' $target->[1]{$mode} ' did not eval into defined data
2013-05-28 14:30:16: ERROR: Target[xx@xx_em1][OUT] ' $target->[1]{$mode} ' did not eval into defined data