Udhcpc: lease lost, entering init

Good Morning can someone help me pls.

I have the following problem... i connected with my TP-Link Archer C7 v2 (LEDE Reboot 17.01.1) via wifi to another secured wifi network. And it works perfect. But every day 2 or 3 times the connection is lost with this log:

 14:24:28 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:26:58 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:28:13 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:28:50 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:29:08 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:29:17 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:29:21 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:29:23 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:29:24 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: sending renew
14:29:24 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: lease lost, entering init state
14:29:24 2017 daemon.notice netifd: Interface 'WWANEXT' has lost the connection
15:03:36 2017 daemon.notice netifd: Network device 'wlan0' link is down
15:03:36 2017 daemon.notice netifd: Interface 'WWANEXT' has link connectivity loss
15:03:36 2017 kern.info kernel: [355341.480747] wlan0: deauthenticated from b8:83:16:ba:b0:8f (Reason: 15=4WAY_HANDSHAKE_TIMEOUT)
15:03:36 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: received SIGTERM
15:03:36 2017 kern.info kernel: [355341.480747] wlan0: deauthenticated from b8:83:16:ba:b0:8f (Reason: 15=4WAY_HANDSHAKE_TIMEOUT)
15:03:36 2017 daemon.notice netifd: WWANEXT (13041): udhcpc: received SIGTERM
15:03:37 2017 kern.info kernel: [355342.850148] wlan0: authenticate with b8:83:16:ba:b0:8f
15:03:37 2017 kern.info kernel: [355342.860276] wlan0: send auth to b8:83:16:ba:b0:8f (try 1/3)
15:03:37 2017 kern.info kernel: [355342.867064] wlan0: authenticated
15:03:37 2017 kern.info kernel: [355342.874797] wlan0: associate with b8:83:16:ba:b0:8f (try 1/3)
15:03:37 2017 kern.info kernel: [355342.882465] wlan0: RX AssocResp from b8:83:16:ba:b0:8f (capab=0x101 status=12 aid=0)
15:03:37 2017 kern.info kernel: [355342.890476] wlan0: b8:83:16:ba:b0:8f denied association (code=12)
15:03:38 2017 kern.info kernel: [355343.501155] wlan0: authenticate with b8:83:16:ba:b0:8f
15:03:38 2017 kern.info kernel: [355343.511248] wlan0: send auth to b8:83:16:ba:b0:8f (try 1/3)
15:03:38 2017 kern.info kernel: [355343.517686] wlan0: authenticated
15:03:38 2017 kern.info kernel: [355343.524797] wlan0: associate with b8:83:16:ba:b0:8f (try 1/3)
15:03:38 2017 kern.info kernel: [355343.532401] wlan0: RX AssocResp from b8:83:16:ba:b0:8f (capab=0x101 status=12 aid=0)
15:03:38 2017 kern.info kernel: [355343.540412] wlan0: b8:83:16:ba:b0:8f denied association (code=12)
15:03:49 2017 kern.info kernel: [355354.907763] wlan0: authenticate with b8:83:16:ba:b0:8f
15:03:49 2017 kern.info kernel: [355354.917829] wlan0: send auth to b8:83:16:ba:b0:8f (try 1/3)
15:03:49 2017 kern.info kernel: [355354.924411] wlan0: authenticated
15:03:49 2017 kern.info kernel: [355354.934621] wlan0: associate with b8:83:16:ba:b0:8f (try 1/3)
15:03:49 2017 kern.info kernel: [355354.942198] wlan0: RX AssocResp from b8:83:16:ba:b0:8f (capab=0x101 status=12 aid=0)
15:03:49 2017 kern.info kernel: [355354.950219] wlan0: b8:83:16:ba:b0:8f denied association (code=12)
15:04:29 2017 kern.info kernel: [355394.316058] wlan0: authenticate with b8:83:16:ba:b0:8f
15:04:29 2017 kern.info kernel: [355394.326114] wlan0: send auth to b8:83:16:ba:b0:8f (try 1/3)
15:04:29 2017 kern.info kernel: [355394.332657] wlan0: authenticated
15:04:29 2017 kern.info kernel: [355394.344435] wlan0: associate with b8:83:16:ba:b0:8f (try 1/3)
15:04:29 2017 kern.info kernel: [355394.352583] wlan0: RX AssocResp from b8:83:16:ba:b0:8f (capab=0x111 status=0 aid=2)
15:04:29 2017 kern.info kernel: [355394.362192] wlan0: associated
15:04:29 2017 daemon.notice netifd: Network device 'wlan0' link is up
15:04:29 2017 daemon.notice netifd: Interface 'WWANEXT' has link connectivity 
15:04:29 2017 daemon.notice netifd: Interface 'WWANEXT' is setting up now
15:04:29 2017 kern.debug kernel: [355394.408911] wlan0: Limiting TX power to 17 dBm as advertised by b8:83:16:ba:b0:8f
15:04:29 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: started, v1.25.1
15:04:29 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: sending discover
15:04:32 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: sending discover
15:04:35 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: sending discover
15:04:37 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: sending select for 181.54.112.219
15:04:37 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: lease of 181.24.112.219 obtained, lease time 600
15:04:37 2017 daemon.notice netifd: Interface 'WWANEXT' is now up
15:04:37 2017 daemon.info dnsmasq[1367]: reading /tmp/resolv.conf.auto
15:04:37 2017 daemon.info dnsmasq[1367]: using local addresses only for domain lan
15:04:37 2017 daemon.info dnsmasq[1367]: using nameserver 181.54.12.2#53
15:04:37 2017 daemon.info dnsmasq[1367]: using nameserver 181.54.4.1#53
15:04:37 2017 user.notice firewall: Reloading firewall due to ifup of WWANEXT (wlan0)
15:09:37 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: sending renew
15:09:37 2017 daemon.notice netifd: WWANEXT (17277): udhcpc: lease of 181.54.112.219 obtained, lease time 600

What can i do ? Or have you any idee for the reason of this problem ? It is not exactly every day on the same time but the times are nearly to the problem times the day before.

Greetz 4 help
X

@xtrimo I would suggest to upgrade to the newer build 17.01.2 and see if that solves the issue.

i updated my system.... i will now try it the next days thanks 4 the answer