syft packages sonatype/nexus:pro-2.11.3-01 -v -o cyclonedx-json --file nexus-pro-2.11.3.json

(....)
[0023]  WARN unable to convert relationship from CycloneDX 1.3 JSON, dropping: {From:Pkg(name="python-libs" version="2.7.5-16.el7" type="rpm" id="f6e0ce12fa86058e") To:Pkg(name="wsgiref" version="0.1.2" type="python" id="b2c1f33571a69567") Type:ownership-by-file-overlap Data:{Files:[/usr/lib64/python2.7/wsgiref.egg-info]}}
[0023]  WARN unable to convert relationship from CycloneDX 1.3 JSON, dropping: {From:Pkg(name="python-pycurl" version="7.19.0-17.el7" type="rpm" id="888b745b29eddfa5") To:Pkg(name="pycurl" version="7.19.0" type="python" id="eab7a7e530e408b0") Type:ownership-by-file-overlap Data:{Files:[/usr/lib64/python2.7/site-packages/pycurl-7.19.0-py2.7.egg-info]}}
[0023]  WARN unable to convert relationship from CycloneDX 1.3 JSON, dropping: {From:Pkg(name="python-urlgrabber" version="3.10-6.el7" type="rpm" id="d36722766bd35a7d") To:Pkg(name="urlgrabber" version="3.10" type="python" id="20826a0880f972dc") Type:ownership-by-file-overlap Data:{Files:[/usr/lib/python2.7/site-packages/urlgrabber-3.10-py2.7.egg-info]}}
[0023]  WARN unable to show catalog image finished event: unable to show package catalog report: 1 error occurred:
	* write nexus-pro-2.11.3.json: file already closed


[0023]  WARN unable to write to report destination: %!w(*multierror.Error=&{[0xc013b6c000] <nil>})

syft packages sonatype/nexus:pro-2.11.3-01 -v -o json --file nexus-pro-2.11.3.json
[0000]  INFO syft version: 0.41.0
[0012]  INFO identified distro: CentOS Linux 7 (Core)
[0012]  INFO cataloging image
[0019]  WARN unable to show catalog image finished event: unable to show package catalog report: 1 error occurred:
	* write nexus-pro-2.11.3.json: file already closed


[0019]  WARN unable to write to report destination: %!w(*multierror.Error=&{[0xc00c22f710] <nil>})