一个小时内两次崩溃，是什么地方出问题了呢？

"bug_type":"210","timestamp":"2021-11-27 01:13:00.00 +0800","os_version":"iPhone OS 15.1 (19B74)","incident_id":"C99CDB96-DB4F-45DE-9963-CA482EB0F073"}

{

"build" : "iPhone OS 15.1 (19B74)",

"product" : "iPhone12,1",

"kernel" : "Darwin Kernel Version 21.1.0: Wed Oct 13 18:16:58 PDT 2021; root:xnu-8019.42.4~1\/RELEASE_ARM64_T8030",

"incident" : "C99CDB96-DB4F-45DE-9963-CA482EB0F073",

"crashReporterKey" : "65db7d8e4f013cf01b2e0e70e35b642678c18c3f",

"date" : "2021-11-27 01:13:00.06 +0800",

"panicString" : "panic(cpu 1 caller 0xfffffff016b71db8): mbuf_watchdog: 2 waiters stuck for 14 secs\n7039\/7043 mbufs in use:\n\t7037 mbufs allocated to data\n\t2 mbufs allocated to socket names and addresses\n\t4 mbufs allocated to caches\n1920\/1920 mbuf 2KB clusters in use\n3036\/3036 mbuf 4KB clusters in use\n2048\/2048 mbuf 16KB clusters in use\n51072 KB allocated to network (approx. 99% in use)\n132077 KB returned to the system\nVM allocation failures: contiguous 0, normal 0, one page 0\nworker thread runs: 5651, expansions: 88, cl 5066\/1942175, bigcl 0\/0, 16k 584\/11751\nworker thread last run time: 5067 (14 seconds ago)\ndrain routine last run time: 5027 (54 seconds ago)\n\nmbuf leak detection table:\n\ttotal captured: 2410 (one per 500)\n\ttotal allocs outstanding: 79\n\tnew hash recorded: 2385 allocs, 2175 traces\n\thash collisions: 27 allocs, 18 traces\n\toverwrites: 1877 allocs, 0 traces\n\tlock conflicts: 0\n\ntop 5 outstanding traces:\n[1] 52 outstanding alloc(s), 53 hit(s), 0 collision(s)\n[2] 8 outstanding alloc(s), 50 hit(s), 0 collision(s)\n[3] 7 outstanding alloc(s), 53 hit(s), 2 collision(s)\n[4] 2 outstanding alloc(s), 12 hit(s), 7 collision(s)\n[5] 2 outstanding alloc(s), 89 hit(s), 8 collision(s)\n\n trace [1] trace [2] trace [3] \ttrace [4]