I have an internal 3g/4g-Modem, running in serial mode. When no connection can be established, I see lot of activities trying to start the connection, in a cycle:
Thu Sep 29 20:57:59 2022 daemon.info pppd[9277]: Exit.
Thu Sep 29 20:57:59 2022 daemon.notice netifd: Interface 'wwan' is now down
Thu Sep 29 20:57:59 2022 daemon.notice netifd: Interface 'wwan' is setting up no w
Thu Sep 29 20:58:01 2022 daemon.notice pppd[9714]: pppd 2.4.8 started by root, u id 0
Thu Sep 29 20:58:03 2022 daemon.info pppd[9714]: Serial connection established.
Thu Sep 29 20:58:03 2022 kern.info kernel: [ 159.869623] 3g-wwan: renamed from ppp0
Thu Sep 29 20:58:03 2022 daemon.info pppd[9714]: Renamed interface ppp0 to 3g-ww an
Thu Sep 29 20:58:03 2022 daemon.info pppd[9714]: Using interface 3g-wwan
Thu Sep 29 20:58:03 2022 daemon.notice pppd[9714]: Connect: 3g-wwan <--> /dev/tt yUSB3
Thu Sep 29 20:58:04 2022 daemon.notice pppd[9714]: Modem hangup
Thu Sep 29 20:58:04 2022 daemon.notice pppd[9714]: Connection terminated.
Thu Sep 29 20:58:05 2022 authpriv.info dropbear[9955]: Child connection from 192 .168.30.124:2121
Thu Sep 29 20:58:05 2022 daemon.info pppd[9714]: Exit.
Thu Sep 29 20:58:05 2022 daemon.notice netifd: Interface 'wwan' is now down
Thu Sep 29 20:58:05 2022 daemon.notice netifd: Interface 'wwan' is setting up no
Is there a possibility to delay the retry of connection establishment, i.e. to retry every 30s or so, not to retry immediately ?