/usr/src/open-vm-tools-10.0.7/vsock/linux/ is in open-vm-tools-dkms 2:10.0.7-3227872-2ubuntu1.
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/usr/src/open-vm-tools-10.0.7/vsock/linux/af_vsock.c
/usr/src/open-vm-tools-10.0.7/vsock/linux/af_vsock.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/notify.c
/usr/src/open-vm-tools-10.0.7/vsock/linux/notify.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/notifyQState.c
/usr/src/open-vm-tools-10.0.7/vsock/linux/stats.c
/usr/src/open-vm-tools-10.0.7/vsock/linux/stats.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/util.c
/usr/src/open-vm-tools-10.0.7/vsock/linux/util.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vmci_sockets_int.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vmci_sockets_packet.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsockAddr.c
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsockAddr.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsockCommon.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsockPacket.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsockSocketWrapper.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsockVmci.h
/usr/src/open-vm-tools-10.0.7/vsock/linux/vsock_version.h