```
[Tue Aug 10 08:00:00 2021] nbd0: detected capacity change from 0 to 2097152
[Tue Aug 10 08:00:08 2021] block nbd0: Receive control failed (result -32)
[Tue Aug 10 08:00:08 2021] block nbd0: Dead connection, failed to find a fallback1
[Tue Aug 10 08:00:08 2021] index: -1
[Tue Aug 10 08:00:08 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 3
[Tue Aug 10 08:01:09 2021] block nbd0: shutting down sockets
[Tue Aug 10 08:01:09 2021] print_req_error: 19 callbacks suppressed
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] buffer_io_error: 18 callbacks suppressed
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] ldm_validate_partition_table(): Disk read failed.
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] Dev nbd0: unable to read RDB block 0
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] nbd0: unable to read partition table
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Tue Aug 10 08:01:09 2021] Buffer I/O error on dev nbd0, logical block 0, async page read
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] ldm_validate_partition_table(): Disk read failed.
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] Dev nbd0: unable to read RDB block 0
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] nbd0: unable to read partition table
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] ldm_validate_partition_table(): Disk read failed.
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] Dev nbd0: unable to read RDB block 0
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] nbd0: unable to read partition table
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
[Tue Aug 10 08:01:09 2021] index: -1
[Tue Aug 10 08:01:09 2021] wait_for_reconnect {
[Tue Aug 10 08:01:09 2021] } wait_for_reconnect (ret = 0) 2
```