NR5101 randomly loses network connection (log says: QMI error)

Same issue here with the NR7102.

Fiirmware 1.00(ABYD.3)C0

Module FW RG502QEUAAR12A03M4G

Mar 1 11:20:39 daemon.debug dnsmasq-dhcp: sendLeaseMessageToESMD send to esmd buf = {"ac":"add","expire":"172847","mac":"20:a6:cd:cb:92:18","ip":"192.168.2.75","host":"hostname","vendor":"ArubaAP","moui":"","serial":"","pclass":"*","cid":"01:20:a6:cd:cb:92:18","ifname":"br1"}
Mar 1 11:20:39 daemon.debug dnsmasq-dhcp: sendLeaseMessageToESMD esmd ret=1
Mar 1 11:20:52 user.notice RILCMD: ConnState[0] is not attach in RS_READY.
Mar 1 11:20:52 user.notice RILCMD: set_LTE_connection_status: Down
Mar 1 11:20:52 user.notice RILCMD: Close qmiclientId[0][1] 51
Mar 1 11:20:52 user.notice RILCMD: Close qmiclientId[0][2] 52
Mar 1 11:20:52 user.notice RILCMD: Close qmiclientId[0][3] 53
Mar 1 11:20:52 user.notice RILCMD: Close qmiclientId[0][11] 54
Mar 1 11:20:52 user.notice RILCMD: Close all the qmiclientIds of idx=0.
Mar 1 11:20:57 user.notice zcmdModuleCfg: System: Wan interface Cellular WAN 1 connection lost
Mar 1 11:21:16 user.notice RILCMD: ************************* CM Connect *************************