Check the log file at '/usr/local/flamenco/instances/ChEFS_-_19-09-06/log.txt' for more details. Here are the last few lines:
7fc17ffbd000-7fc17ffbe000 rw-p 00002000 ca:01 662796 /lib64/libutil-2.17.so 7fc17ffbe000-7fc17ffc0000 r-xp 00000000 ca:01 662713 /lib64/libdl-2.17.so 7fc17ffc0000-7fc1801c0000 ---p 00002000 ca:01 662713 /lib64/libdl-2.17.so 7fc1801c0000-7fc1801c1000 r--p 00002000 ca:01 662713 /lib64/libdl-2.17.so 7fc1801c1000-7fc1801c2000 rw-p 00003000 ca:01 662713 /lib64/libdl-2.17.so 7fc1801c2000-7fc1801d9000 r-xp 00000000 ca:01 662782 /lib64/libpthread-2.17.so 7fc1801d9000-7fc1803d8000 ---p 00017000 ca:01 662782 /lib64/libpthread-2.17.so 7fc1803d8000-7fc1803d9000 r--p 00016000 ca:01 662782 /lib64/libpthread-2.17.so 7fc1803d9000-7fc1803da000 rw-p 00017000 ca:01 662782 /lib64/libpthread-2.17.so 7fc1803da000-7fc1803de000 rw-p 00000000 00:00 0 7fc1803de000-7fc18055d000 r-xp 00000000 ca:01 797003 /usr/lib64/libpython2.7.so.1.0 7fc18055d000-7fc18075d000 ---p 0017f000 ca:01 797003 /usr/lib64/libpython2.7.so.1.0 7fc18075d000-7fc18079c000 rw-p 0017f000 ca:01 797003 /usr/lib64/libpython2.7.so.1.0 7fc18079c000-7fc1807bd000 rw-p 00000000 00:00 0 7fc1807bd000-7fc1807df000 r-xp 00000000 ca:01 662687 /lib64/ld-2.17.so 7fc1807e3000-7fc1808e3000 rw-p 00000000 00:00 0 7fc180914000-7fc1809d9000 rw-p 00000000 00:00 0 7fc1809db000-7fc1809de000 rw-p 00000000 00:00 0 7fc1809de000-7fc1809df000 r--p 00021000 ca:01 662687 /lib64/ld-2.17.so 7fc1809df000-7fc1809e0000 rw-p 00022000 ca:01 662687 /lib64/ld-2.17.so 7fc1809e0000-7fc1809e1000 rw-p 00000000 00:00 0 7ffe00e04000-7ffe00e25000 rw-p 00000000 00:00 0 [stack] 7ffe00edf000-7ffe00ee2000 r--p 00000000 00:00 0 [vvar] 7ffe00ee2000-7ffe00ee4000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]