I think it is network packet loss. If check the diagnosis log on the camera, you will see the network adapter toggling on/off.
[33854.645552] net eth0: lp: sym: 0, asym: 0
[33854.645571] libphy: e000e000.etherne:01 - Link is Down
[33856.645459] net eth0: lp: sym: 1, asym: 0
[33856.645478]...