...
Preparing to unpack .../ca-certificates_20170717~16.04.1_all.deb ...
Unpacking ca-certificates (20170717~16.04.1) over (20160104ubuntu1) ...
...
Setting up ca-certificates (20170717~16.04.1) ...
...
Processing triggers for ca-certificates (20170717~16.04.1) ...
Updating certificates in /etc/ssl/certs...
17 added, 42 removed; done.
Running hooks in /etc/ca-certificates/update.d...

Adding debian:AC_RAIZ_FNMT-RCM.pem
Adding debian:Amazon_Root_CA_1.pem
Adding debian:Amazon_Root_CA_2.pem
Adding debian:Amazon_Root_CA_3.pem
Adding debian:Amazon_Root_CA_4.pem
Adding debian:Certplus_Root_CA_G1.pem
Adding debian:Certplus_Root_CA_G2.pem
Adding debian:Certum_Trusted_Network_CA_2.pem
Adding debian:Hellenic_Academic_and_Research_Institutions_ECC_RootCA_2015.pem
Adding debian:Hellenic_Academic_and_Research_Institutions_RootCA_2015.pem
Adding debian:ISRG_Root_X1.pem
Adding debian:LuxTrust_Global_Root_2.pem
Adding debian:OpenTrust_Root_CA_G1.pem
Adding debian:OpenTrust_Root_CA_G2.pem
Adding debian:OpenTrust_Root_CA_G3.pem
Adding debian:SZAFIR_ROOT_CA2.pem
Adding debian:TUBITAK_Kamu_SM_SSL_Kok_Sertifikasi_-_Surum_1.pem
Removing debian:AC_Raíz_Certicámara_S.A..pem
Removing debian:ApplicationCA_-_Japanese_Government.pem
Removing debian:Buypass_Class_2_CA_1.pem
Removing debian:CA_Disig.pem
Removing debian:CA_WoSign_ECC_Root.pem
Removing debian:Certification_Authority_of_WoSign_G2.pem
Removing debian:ComSign_CA.pem
Removing debian:EBG_Elektronik_Sertifika_Hizmet_Sağlayıcısı.pem
Removing debian:Equifax_Secure_CA.pem
Removing debian:Equifax_Secure_Global_eBusiness_CA.pem
Removing debian:Equifax_Secure_eBusiness_CA_1.pem
Removing debian:IGC_A.pem
Removing debian:Juur-SK.pem
Removing debian:Microsec_e-Szigno_Root_CA.pem
Removing debian:NetLock_Business_=Class_B=_Root.pem
Removing debian:NetLock_Express_=Class_C=_Root.pem
Removing debian:NetLock_Notary_=Class_A=_Root.pem
Removing debian:NetLock_Qualified_=Class_QA=_Root.pem
Removing debian:RSA_Security_2048_v3.pem
Removing debian:Root_CA_Generalitat_Valenciana.pem
Removing debian:S-TRUST_Authentication_and_Encryption_Root_CA_2005_PN.pem
Removing debian:S-TRUST_Universal_Root_CA.pem
Removing debian:Sonera_Class_1_Root_CA.pem
Removing debian:Staat_der_Nederlanden_Root_CA.pem
Removing debian:StartCom_Certification_Authority.pem
Removing debian:StartCom_Certification_Authority_2.pem
Removing debian:StartCom_Certification_Authority_G2.pem
Removing debian:SwissSign_Platinum_CA_-_G2.pem
Removing debian:TC_TrustCenter_Class_3_CA_II.pem
Removing debian:TÜRKTRUST_Elektronik_Sertifika_Hizmet_Sağlayıcısı_H6.pem
Removing debian:UTN_USERFirst_Email_Root_CA.pem
Removing debian:Verisign_Class_1_Public_Primary_Certification_Authority.pem
Removing debian:Verisign_Class_1_Public_Primary_Certification_Authority_-_G2.pem
Removing debian:Verisign_Class_1_Public_Primary_Certification_Authority_-_G3.pem
Removing debian:Verisign_Class_2_Public_Primary_Certification_Authority_-_G2.pem
Removing debian:Verisign_Class_2_Public_Primary_Certification_Authority_-_G3.pem
Removing debian:Verisign_Class_3_Public_Primary_Certification_Authority.pem
Removing debian:Verisign_Class_3_Public_Primary_Certification_Authority_-_G2.pem
Removing debian:Verisign_Class_3_Public_Primary_Certification_Authority_2.pem
Removing debian:WellsSecure_Public_Root_Certificate_Authority.pem
Removing debian:WoSign.pem
Removing debian:WoSign_China.pem
done.
Updating Mono key store
Linux Cert Store Sync - version 4.2.1.0
Synchronize local certs with certs from local Linux trust store.
Copyright 2002, 2003 Motus Technologies. Copyright 2004-2008 Novell. BSD licensed.

I already trust 173, your new list has 148
Certificate added: C=ES, O=FNMT-RCM, OU=AC RAIZ FNMT-RCM
Certificate added: C=US, O=Amazon, CN=Amazon Root CA 1
Certificate added: C=US, O=Amazon, CN=Amazon Root CA 2
Certificate added: C=US, O=Amazon, CN=Amazon Root CA 3
Certificate added: C=US, O=Amazon, CN=Amazon Root CA 4
Certificate added: C=FR, O=Certplus, CN=Certplus Root CA G1
Certificate added: C=FR, O=Certplus, CN=Certplus Root CA G2
Certificate added: C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Trusted Network CA 2
Certificate added: C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions ECC RootCA 2015
Certificate added: C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015
Certificate added: C=US, O=Internet Security Research Group, CN=ISRG Root X1
Certificate added: C=LU, O=LuxTrust S.A., CN=LuxTrust Global Root 2
Certificate added: C=FR, O=OpenTrust, CN=OpenTrust Root CA G1
Certificate added: C=FR, O=OpenTrust, CN=OpenTrust Root CA G2
Certificate added: C=FR, O=OpenTrust, CN=OpenTrust Root CA G3
Certificate added: C=PL, O=Krajowa Izba Rozliczeniowa S.A., CN=SZAFIR ROOT CA2
Certificate added: C=TR, L=Gebze - Kocaeli, O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK, OU=Kamu Sertifikasyon Merkezi - Kamu SM, CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1
17 new root certificates were added to your trust store.
Import process completed.
Done
done.