[Nexus 6P Android Development] k1ll3ry0:
Ran a couple of log scans, the first is a filter for ConnectivityService the second is for radio. I captured these logs after toggling airplane and when it switches from LTE to 3G after roughly 10 seconds.

03-17 11:04:29.454 D/CommonUtils(4985): get2SimValue)() - persist_radio_calldefault_simid :
03-17 11:04:29.493 D/CommonUtils(4985): get2SimValue)() - persist_radio_calldefault_simid :
03-17 11:04:35.557 I/MIPIManagerFlow(17396): checkIfMatchRules:radioIf:8,activeBand:123,activeChannel:2050
03-17 11:05:02.093 I/MIPIManagerFlow(17396): checkIfMatchRules:radioIf:1,activeBand:0,activeChannel:425
03-17 11:05:03.196 I/MIPIManagerFlow(17396): checkIfMatchRules:radioIf:1,activeBand:0,activeChannel:507
03-17 11:05:04.773 I/MIPIManagerFlow(17396): checkIfMatchRules:radioIf:2,activeBand:0,activeChannel:770

03-17 10:34:46.675 D/ConnectivityService(768): NetworkAgentInfo [MOBILE (UNKNOWN) - 136] EVENT_NETWORK_INFO_CHANGED, going from CONNECTED to SUSPENDED
03-17 10:34:46.676 D/ConnectivityService(768): Sending SUSPENDED broadcast for type 0 NetworkAgentInfo [MOBILE (UNKNOWN) - 136] isDefaultNetwork=true
03-17 10:34:46.678 D/ConnectivityService(768): Invalid tcpBufferSizes string: null, using defaults
03-17 10:34:46.804 D/ConnectivityService(768): reportNetworkConnectivity(136, false) by 10026
03-17 10:34:50.672 D/ConnectivityService(768): NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 136] EVENT_NETWORK_INFO_CHANGED, going from SUSPENDED to CONNECTED
03-17 10:34:50.672 D/ConnectivityService(768): Sending CONNECTED broadcast for type 0 NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 136] isDefaultNetwork=true
03-17 10:34:50.736 E/ConnectivityService(768): Exception in removeRoute: java.lang.IllegalStateException: command '1663 network route remove 136 rmnet_data0 0.0.0.0/0 100.120.87.21' failed with '400 1663 removeRoute() failed (No such process)'
03-17 10:34:50.737 E/ConnectivityService(768): Exception in removeRoute: java.lang.IllegalStateException: command '1664 network route remove 136 rmnet_data0 ---.---.--.--/29' failed with '400 1664 removeRoute() failed (No such process)'
03-17 10:34:50.737 D/ConnectivityService(768): Setting DNS servers for network 136 to [/2001:4888:12:ff00:106:d::, /2001:4888:13:ff00:123:d::]
03-17 10:34:50.839 D/ConnectivityService(768): NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 136] EVENT_NETWORK_INFO_CHANGED, going from CONNECTED to DISCONNECTED
03-17 10:34:50.839 D/ConnectivityService(768): NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 136] got DISCONNECTED, was satisfying 8
03-17 10:34:50.889 D/ConnectivityService(768): Sending DISCONNECTED broadcast for type 0 NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 136] isDefaultNetwork=true
03-17 10:35:02.693 D/ConnectivityService(768): registerNetworkAgent NetworkAgentInfo{ ni{[type: MOBILE[CDMA - EvDo rev. A], state: CONNECTED/CONNECTED, reason: connected, extra: internet, failover: false, available: true, roaming: false]} network{137} nethandle{588426955486} lp{{InterfaceName: rmnet_data0 LinkAddresses: [--.---.---.--/30,] Routes: [0.0.0.0/0 -> 10.236.179.41 rmnet_data0,10.236.179.40/30 -> 0.0.0.0 rmnet_data0,] DnsAddresses: [198.224.186.135,198.224.187.135,] Domains: null MTU: 1500 TcpBufferSizes: 131072,262144,1048576,4096,16384,524288}} nc{[ Transports: CELLULAR Capabilities: MMS&SUPL&DUN&FOTA&CBS&INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VPN LinkUpBandwidth>=1843Kbps LinkDnBandwidth>=3174Kbps Specifier: <1>]} Score{10} everValidated{false} lastValidated{false} created{false} lingering{false} explicitlySelected{false} acceptUnvalidated{false} everCaptivePortalDetected{false} lastCaptivePortalDetected{false} clat{null} }
03-17 10:35:02.693 D/ConnectivityService(768): NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 137] EVENT_NETWORK_INFO_CHANGED, going from null to CONNECTED
03-17 10:35:02.697 D/ConnectivityService(768): Adding iface rmnet_data0 to network 137
03-17 10:35:02.707 D/ConnectivityService(768): Setting DNS servers for network 137 to [/198.224.186.135, /198.224.187.135]
03-17 10:35:02.745 D/ConnectivityService(768): Switching to new default network: NetworkAgentInfo{ ni{[type: MOBILE[CDMA - EvDo rev. A], state: CONNECTED/CONNECTED, reason: connected, extra: internet, failover: false, available: true, roaming: false]} network{137} nethandle{588426955486} lp{{InterfaceName: rmnet_data0 LinkAddresses: [--.---.---.--/30,] Routes: [0.0.0.0/0 -> --.---.---.-- rmnet_data0,--.---.---.--/30 -> 0.0.0.0 rmnet_data0,] DnsAddresses: [198.224.186.135,198.224.187.135,] Domains: null MTU: 1500 TcpBufferSizes: 131072,262144,1048576,4096,16384,524288}} nc{[ Transports: CELLULAR Capabilities: MMS&SUPL&DUN&FOTA&CBS&INTERNET&NOT_RESTRICTED&TRUSTED&NOT_VPN&FOREGROUND LinkUpBandwidth>=1843Kbps LinkDnBandwidth>=3174Kbps Specifier: <1>]} Score{10} everValidated{false} lastValidated{false} created{true} lingering{false} explicitlySelected{false} acceptUnvalidated{false} everCaptivePortalDetected{false} lastCaptivePortalDetected{false} clat{null} }
03-17 10:35:02.751 D/ConnectivityService(768): Sending CONNECTED broadcast for type 0 NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 137] isDefaultNetwork=true
03-17 10:35:03.080 D/ConnectivityService(768): NetworkAgentInfo [MOBILE (CDMA - EvDo rev. A) - 137] validation passed

Any Ideas? I already combed through them for sensitive materials and they are good to go in terms of that.