Since upgrading the system to iOS 16.5+, when the device storage space is seriously insufficient, the VPN will be forcibly disconnected and stopTunnel will not be called.
A few colleagues and I tested products from several different companies and all had the same problem. How should we get around it?
23:01:26.000901+0800 PacketTunnel nw_protocol_tcp_log_summary [C10.1.1:3]
[5663B3D8-E097-4FE1-8E53-B56B45A8F902 <private>:49887<-><private>:443]
Init: 1, Conn_Time: 44.751ms, SYNs: 1, WR_T: 0/0, RD_T: 0/0, TFO: 0/0/0, ECN: 0/0/0, TS: 1, TSO: 0
rtt_cache: process, rtt_upd: 4, rtt: 20.875ms, rtt_var: 12.000ms rtt_nc: 38.593ms, rtt_var_nc: 21.437ms base rtt: 8ms
ACKs-compressed: 0, ACKs delayed: 0 delayed ACKs sent: 0
23:01:26.000935+0800 PacketTunnel nw_protocol_tcp_disconnect [C10.1.1:3] send disconnect to input protocol
23:01:26.000972+0800 PacketTunnel nw_flow_disconnected [C10 IPv4#10918632:443 cancelled parent-flow ((null))] Output protocol disconnected
23:01:26.000999+0800 PacketTunnel nw_endpoint_handler_cancel [C10.1 Hostname#099ac075:443 ready resolver (satisfied (Path is satisfied), interface: en0[802.11], scoped, ipv4, dns)]
23:01:26.001223+0800 PacketTunnel nw_association_schedule_deactivation <nw_association Hostname#099ac075:443> will become dormant after 10000ms of inactivity
23:01:26.001247+0800 PacketTunnel nw_endpoint_handler_cancel [C10.1.1 IPv4#10918632:443 ready channel-flow (satisfied (Path is satisfied), viable, interface: en0[802.11], scoped, ipv4, dns)]
23:01:26.001336+0800 PacketTunnel nw_association_schedule_deactivation <nw_association IPv4#10918632:443> will become dormant after 10000ms of inactivity
23:01:26.001365+0800 PacketTunnel nw_protocol_tcp_disconnect [C10.1.1:3] input protocol initiated disconnect
23:01:26.001427+0800 PacketTunnel nw_connection_report_state_with_handler_on_nw_queue [C10] reporting state cancelled
23:01:26.001527+0800 PacketTunnel Connection 10: done
23:01:26.001573+0800 PacketTunnel [C10 Hostname#099ac075:443 tcp, url hash: f279b86d, tls, definite, attribution: developer] dealloc
23:01:26.001650+0800 PacketTunnel tcp_output [C10.1.1:3] flags=[F.] seq=2497755765, ack=631888768, win=2048 state=FIN_WAIT_1 rcv_nxt=631888768, snd_una=2497755734
23:01:26.022263+0800 PacketTunnel tcp_input [C10.1.1:3] flags=[F.] seq=631888768, ack=2497755765, win=245 state=FIN_WAIT_1 rcv_nxt=631888768, snd_una=2497755734
23:01:26.022464+0800 PacketTunnel tcp_output [C10.1.1:3] flags=[F.] seq=2497755765, ack=631888769, win=2048 state=CLOSING rcv_nxt=631888769, snd_una=2497755765
23:01:36.014524+0800 PacketTunnel nw_association_schedule_deactivation_block_invoke <nw_association Hostname#099ac075:443> becoming dormant
23:01:36.014708+0800 PacketTunnel nw_association_schedule_deactivation_block_invoke <nw_association IPv4#10918632:443> becoming dormant
23:01:44.587233+0800 runningboardd Requesting plugIn hold for <RBSProcessPredicate <RBSProcessBundleIdentifiersPredicate| {(
"x.y.z.Shortcuts",
"x.y.z",
"x.y.z.PacketTunnel"
)}>>
23:01:44.587261+0800 runningboardd skipping plugin hold for termination request without bundle ID or beforeTranslocationBundlePath <RBSProcessPredicate <RBSProcessBundleIdentifiersPredicate| {(
"x.y.z.Shortcuts",
"x.y.z",
"x.y.z.PacketTunnel"
)}>>
23:01:44.587543+0800 runningboardd Acquiring assertion targeting system from originator [osservice<com.apple.mobile.cache_delete_app_container_caches>:400] with description <RBSAssertionDescriptor| "CacheDeleteAppContainerCaches requesting termination assertion for x.y.z" ID:31-400-9890 target:system attributes:[
<RBSPreventLaunchLimitation| <RBSProcessPredicate <RBSProcessBundleIdentifiersPredicate| {(
"x.y.z.Shortcuts",
"x.y.z",
"x.y.z.PacketTunnel"
)}>> allow:(null)>
]>
23:01:44.588473+0800 runningboardd Executing termination request for: <RBSProcessPredicate <RBSProcessBundleIdentifiersPredicate| {(
"x.y.z.Shortcuts",
"x.y.z",
"x.y.z.PacketTunnel"
)}>>
23:01:44.590075+0800 runningboardd [xpcservice<x.y.z.PacketTunnel([osservice<com.apple.neagent-ios>:998:998])>:1455] Terminating with context: <RBSTerminateContext| code:0xBADDD15C explanation:CacheDeleteAppContainerCaches requesting termination assertion for x.y.z reportType:None maxTerminationResistance:NonInteractive attrs:[
<RBSPreventLaunchLimitation| <RBSProcessPredicate <RBSProcessBundleIdentifiersPredicate| {(
"x.y.z.Shortcuts",
"x.y.z",
"x.y.z.PacketTunnel"
)}>> allow:(null)>
]>
23:01:44.591253+0800 neagent Extension x.y.z.PacketTunnel died unexpectedly