On the 2.0 source
15:51:30 exec 30380 rsync -arvP --devices --numeric-ids --partial --sparse /var/lib/lxd/containers/survey/ localhost:/tmp/foo -e sh -c "/usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey"
15:51:30 fork 30380 parent rsync -arvP --devices --numeric-ids --partial --sparse /var/lib/lxd/containers/survey/ localhost:/tmp/foo -e sh -c "/usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey"
15:51:30 fork 30381 child rsync -arvP --devices --numeric-ids --partial --sparse /var/lib/lxd/containers/survey/ localhost:/tmp/foo -e sh -c "/usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey"
15:51:30 exec 30381 sh -c /usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey localhost rsync --server -vlogDtprSe.iLsfx --partial --numeric-ids . /tmp/foo
15:51:30 fork 30381 parent sh -c /usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey localhost rsync --server -vlogDtprSe.iLsfx --partial --numeric-ids . /tmp/foo
15:51:30 fork 30382 child sh -c /usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey localhost rsync --server -vlogDtprSe.iLsfx --partial --numeric-ids . /tmp/foo
15:51:35 exit 30381 10 5.627 sh -c /usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey localhost rsync --server -vlogDtprSe.iLsfx --partial --numeric-ids . /tmp/foo
15:51:35 exit 30380 5632 5.629 rsync -arvP --devices --numeric-ids --partial --sparse /var/lib/lxd/containers/survey/ localhost:/tmp/foo -e sh -c "/usr/bin/lxd netcat @lxd/fc00c6d5-85de-4b2a-b7b9-7ecbf10ece77 survey"
On the 4.4 target
15:51:35 exec 1886288 rsync --version
15:51:35 exit 1886288 0 0.001s rsync --version
15:51:35 exec 1886289 rsync --server -vlogDtpre.iLsfx --numeric-ids --devices --partial --sparse --xattrs --delete --compress --compress-level=2 . /var/snap/lxd/common/lxd/storage-pools/local/containers/survey/
15:51:35 exit 1886289 5632 0.105s rsync --server -vlogDtpre.iLsfx --numeric-ids --devices --partial --sparse --xattrs --delete --compress --compress-level=2 . /var/snap/lxd/common/lxd/storage-pools/local/containers/survey/