I think this is the relevant log info:
[16:21:36.011][SharedDrivesSettings][Info ] Apply shared drive settings
[16:21:36.012][NamedPipeClient][Info ] Sending Version()...
[16:21:36.013][NamedPipeClient][Info ] Received response for Version
[16:21:36.013][NamedPipeClient][Info ] Sending Mount(All, C, GS\ashalper:**********, Docker.Core.Settings)...
[16:21:36.013][NamedPipeServer][Info ] Version()
[16:21:36.013][NamedPipeServer][Info ] Version done in 00:00:00.
[16:21:36.015][NamedPipeServer][Info ] Mount(All, C, GS\ashalper:**********, Docker.Core.Settings)
[16:21:36.088][SambaShare ][Info ] Mount C
[16:21:36.152][Cmd ][Info ] This shared resource does not exist.
[16:21:36.152][Cmd ][Info ] More help is available by typing NET HELPMSG 2310.
[16:21:36.157][SambaShare ][Info ] "C" is not shared
[16:21:36.157][SambaShare ][Info ] Creating share "C:\" as "C" with Full Control to "GS\ashalper"
[16:21:36.289][Cmd ][Info ] C was shared successfully.
[16:21:36.353][Cmd ][Info ] Share name C
[16:21:36.353][Cmd ][Info ] Path C:\
[16:21:36.353][Cmd ][Info ] Remark
[16:21:36.353][Cmd ][Info ] Maximum users No limit
[16:21:36.354][Cmd ][Info ] Users
[16:21:36.354][Cmd ][Info ] Caching Caching disabled
[16:21:36.354][Cmd ][Info ] Permission GS\ashalper, FULL
[16:21:36.354][Cmd ][Info ] The command completed successfully.
[16:21:36.361][SambaShare ][Info ] "C" is shared
[16:21:36.514][SambaShare ][Info ] Username: ashalper
[16:21:36.514][SambaShare ][Info ] Host IP: 10.0.75.1
[16:21:36.514][SambaShare ][Info ] Cifs options: noperm,iocharset=utf8,dir_mode=0777,nobrl,mfsymlinks,vers=3.02,domain=GS,sec=ntlmsspi
[16:21:36.595][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy >> GET /_ping\n"
[16:21:36.597][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy << GET /_ping (978.5µs)\n"
[16:21:36.597][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy >> POST /v1.39/images/load?quiet=1\n"
[16:21:36.742][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy << POST /v1.39/images/load?quiet=1 (144.8337ms)\n"
[16:21:36.829][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy >> GET /_ping\n"
[16:21:36.831][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy << GET /_ping (1.9866ms)\n"
[16:21:36.834][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy >> POST /v1.39/containers/create [rewriteBinds]\n"
[16:21:36.834][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="Rewrote mount /run/config/docker:/host_mnt (volumeDriver=) to /run/config/docker:/host_mnt"
[16:21:36.834][ApiProxy ][Info ] time="2019-05-14T16:21:36-07:00" msg="proxy >> POST /v1.39/containers/create\n"
[16:21:37.014][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="proxy << POST /v1.39/containers/create (179.9459ms)\n"
[16:21:37.015][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="proxy >> POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/attach?stderr=1&stdin=1&stdout=1&stream=1\n"
[16:21:37.017][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="Upgrading to raw stream"
[16:21:37.018][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="proxy >> POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/wait?condition=removed\n"
[16:21:37.020][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="proxy >> POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/start [start]\n"
[16:21:37.020][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="proxy >> POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/start\n"
[16:21:37.058][Moby ][Info ] [ 77.824843] docker0: port 1(vethc187fa4) entered blocking state
[16:21:37.099][Moby ][Info ] [ 77.861596] docker0: port 1(vethc187fa4) entered disabled state
[16:21:37.132][Moby ][Info ] [ 77.903597] device vethc187fa4 entered promiscuous mode
[16:21:37.172][Moby ][Info ] [ 77.935978] IPv6: ADDRCONF(NETDEV_UP): vethc187fa4: link is not ready
[16:21:37.311][Moby ][Info ] [ 78.086557] IPVS: Creating netns size=2104 id=13
[16:21:37.343][Moby ][Info ] [ 78.114996] IPVS: ftp: loaded support on port[0] = 21
[16:21:37.482][Moby ][Info ] [ 78.260787] eth0: renamed from veth4d77704
[16:21:37.560][Moby ][Info ] [ 78.320520] IPv6: ADDRCONF(NETDEV_CHANGE): vethc187fa4: link becomes ready
[16:21:37.596][Moby ][Info ] [ 78.363918] docker0: port 1(vethc187fa4) entered blocking state
[16:21:37.633][Moby ][Info ] [ 78.400544] docker0: port 1(vethc187fa4) entered forwarding state
[16:21:37.725][ApiProxy ][Info ] time="2019-05-14T16:21:37-07:00" msg="proxy << POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/start (704.5909ms)\n"
[16:21:38.826][ApiProxy ][Info ] time="2019-05-14T16:21:38-07:00" msg="proxy << POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/attach?stderr=1&stdin=1&stdout=1&stream=1 (1.8114438s)\n"
[16:21:38.875][Moby ][Info ] [ 79.641145] docker0: port 1(vethc187fa4) entered disabled state
[16:21:38.901][Moby ][Info ] [ 79.679137] veth4d77704: renamed from eth0
[16:21:39.043][Moby ][Info ] [ 79.809922] docker0: port 1(vethc187fa4) entered disabled state
[16:21:39.075][Moby ][Info ] [ 79.846975] device vethc187fa4 left promiscuous mode
[16:21:39.111][Moby ][Info ] [ 79.877069] docker0: port 1(vethc187fa4) entered disabled state
[16:21:39.397][ApiProxy ][Info ] time="2019-05-14T16:21:39-07:00" msg="proxy << POST /v1.39/containers/970afac23a06b4c74242d3efae1c163db501a8b59ffad7f46afa63aec9840f0c/wait?condition=removed (2.3794192s)\n"
[16:21:39.405][SambaShare ][Error ] Unable to mount C drive: firewall is blocking
[16:21:39.405][SambaShare ][Info ] Removing share C
[16:21:39.470][NamedPipeClient][Info ] Received response for Mount
[16:21:39.469][NamedPipeServer][Info ] Mount done in 00:00:03.4546881.