Thank you for your reply. Yes, it happens on Ethernet too.
I'm not sure if this is the correct Downstream/Upstream info:
Downstream bonded channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 203000000 1.2 40 256 qam 9
2 211000000 1.2 40 256 qam 10
3 219000000 1 40 256 qam 11
4 227000000 0.5 40 256 qam 12
5 235000000 0.2 38 256 qam 13
6 243000000 0.2 38 256 qam 14
7 251000000 0.2 38 256 qam 15
8 259000000 0.4 38 256 qam 16
9 267000000 0.7 38 256 qam 17
10 275000000 1 38 256 qam 18
11 283000000 1 38 256 qam 19
12 291000000 0.7 38 256 qam 20
13 299000000 0.7 38 256 qam 21
14 307000000 0.9 40 256 qam 22
15 315000000 1 38 256 qam 23
16 323000000 1.4 38 256 qam 24
17 363000000 2 38 256 qam 25
18 371000000 1.5 38 256 qam 26
19 379000000 0.9 38 256 qam 27
20 387000000 1 38 256 qam 28
21 395000000 1.4 38 256 qam 29
22 403000000 1.5 38 256 qam 30
23 411000000 1.5 38 256 qam 31
24 419000000 1.2 38 256 qam 32
Downstream bonded channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 40.3 4 0
2 Locked 40.3 4 0
3 Locked 40.3 5 0
4 Locked 40.3 6 0
5 Locked 38.9 0 0
6 Locked 38.9 5 0
7 Locked 38.9 5 0
8 Locked 38.6 4 0
9 Locked 38.9 6 0
10 Locked 38.6 6 0
11 Locked 38.9 4 0
12 Locked 38.9 4 0
13 Locked 38.9 5 0
14 Locked 40.3 3 0
15 Locked 38.9 0 0
16 Locked 38.9 6 0
17 Locked 38.6 0 0
18 Locked 38.9 0 0
19 Locked 38.9 0 0
20 Locked 38.6 6 0
21 Locked 38.6 5 0
22 Locked 38.9 5 0
23 Locked 38.6 6 0
24 Locked 38.9 0 0
Upstream bonded channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 60300000 51 5120 64 qam 1
2 39400000 49.5 5120 64 qam 4
3 46200000 50 5120 64 qam 3
4 53700000 50.8 5120 64 qam 2
Upstream bonded channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 ATDMA 0 0 0 0
2 ATDMA 0 0 0 0
3 ATDMA 0 0 0 0
4 ATDMA 0 0 0 0