Multipath get ID information from the 0x80 VPD page.

Issue

• When pull and re-plug fc cable:

1. multipath device lost one path:

mpatht (360050763008280d78000000000000012) dm-18 IBM,2145
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=50 status=active
| |- 1:0:1:18 sdbc 67:96   active ready running
| `- 2:0:0:18 sdcl 69:144  active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 2:0:1:18 sddu 71:192  active ready running
Feb 03 18:35:56 | wwid 360050763008280d78000000000000012 already in wwids file

2. device "SIBM 2145 00c020a035e0XX00" was created:

SIBM     2145           00c020a035e0XX00 dm-49 IBM,2145
size=50G features='1 queue_if_no_path' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=10 status=active
  `- 1:0:0:18 sdt  65:48   active ready running
Feb 03 18:35:56 | wwid SIBM     2145           00c020a035e0XX00 already in wwids file