Client:
Exporting image: 0% complete...failed.
rbd: export error: (6) No such device or address

OSD:
2014-08-12 18:37:03.922461 7fe3b5b1a700  0 log [WRN] : client.1117325 10.100.52.70:0/1014225 misdirected client.1117325.0:9 pg 6.e4d30207 to osd.20 in e18721, client e18721 pg 6.7 features 335544319
2014-08-12 18:37:03.931531 7fe3b5b1a700  1 osd.20 18721 OSD::ms_handle_reset()

Other OSD:
2014-08-12 18:37:03.184133 7fb3df306700  0 log [WRN] : client.1117325 10.100.52.70:0/1014225 misdirected client.1117325.0:1 pg 6.8a7eb2b0 to osd.21 in e18721, client e18721 pg 6.30 features 335544319