systemd(1)-+-NetworkManager(1172)-+-{NetworkManager}(1173)
           |                      `-{NetworkManager}(1174)
           |-agetty(1500)
           |-auditd(965)-+-sedispatch(967)
           |             |-{auditd}(966)
           |             `-{auditd}(968)
           |-chronyd(28211)
           |-conmon(45423)---dumb-init(45425)---ovn-controller(45428)-+-{ovn-controller}(45534)
           |                                                          |-{ovn-controller}(45535)
           |                                                          |-{ovn-controller}(45536)
           |                                                          `-{ovn-controller}(45538)
           |-conmon(50958)-+-dumb-init(50960)---neutron-ovn-met(50963)---neutron-ovn-met(51048)
           |               `-privsep-helper(51053)---{privsep-helper}(51054)
           |-conmon(114274)---dumb-init(114276)---multipathd(114279)-+-{multipathd}(114328)
           |                                                         |-{multipathd}(114329)
           |                                                         |-{multipathd}(114330)
           |                                                         |-{multipathd}(114331)
           |                                                         |-{multipathd}(114332)
           |                                                         `-{multipathd}(114333)
           |-conmon(131073)---dumb-init(131075)---nova-compute(131077)-+-{nova-compute}(131324)
           |                                                           |-{nova-compute}(131325)
           |                                                           |-{nova-compute}(131326)
           |                                                           |-{nova-compute}(131327)
           |                                                           |-{nova-compute}(131328)
           |                                                           |-{nova-compute}(131329)
           |                                                           |-{nova-compute}(131330)
           |                                                           |-{nova-compute}(131331)
           |                                                           |-{nova-compute}(131332)
           |                                                           |-{nova-compute}(131333)
           |                                                           |-{nova-compute}(131334)
           |                                                           |-{nova-compute}(131335)
           |                                                           |-{nova-compute}(131336)
           |                                                           |-{nova-compute}(131337)
           |                                                           |-{nova-compute}(131338)
           |                                                           |-{nova-compute}(131339)
           |                                                           |-{nova-compute}(131340)
           |                                                           |-{nova-compute}(131341)
           |                                                           |-{nova-compute}(131342)
           |                                                           |-{nova-compute}(131343)
           |                                                           `-{nova-compute}(131344)
           |-crond(1499)
           |-dbus-broker-lau(997)---dbus-broker(998)
           |-dmeventd(783)-+-{dmeventd}(2060)
           |               `-{dmeventd}(2061)
           |-gssproxy(1202)-+-{gssproxy}(1203)
           |                |-{gssproxy}(1204)
           |                |-{gssproxy}(1205)
           |                |-{gssproxy}(1206)
           |                `-{gssproxy}(1207)
           |-irqbalance(1002)---{irqbalance}(1007)
           |-iscsid(116982)
           |-ovs-vswitchd(1162)-+-{ovs-vswitchd}(23878)
           |                    |-{ovs-vswitchd}(23879)
           |                    |-{ovs-vswitchd}(23880)
           |                    `-{ovs-vswitchd}(23881)
           |-ovsdb-server(1085)
           |-polkitd(1452)-+-{polkitd}(1462)
           |               |-{polkitd}(1463)
           |               |-{polkitd}(1465)
           |               |-{polkitd}(1466)
           |               `-{polkitd}(1468)
           |-rngd(1003)
           |-rpcbind(964)
           |-rsyslogd(1496)-+-{rsyslogd}(1502)
           |                `-{rsyslogd}(1503)
           |-sshd(3239)---sshd-session(131608)---sshd-session(131642)---sudo(131643)---sos(131667)-+-timeout(133629)---package-cleanup(133632)
           |                                                                                       |-timeout(133862)---pstree(133864)
           |                                                                                       |-{sos}(131946)
           |                                                                                       |-{sos}(131947)
           |                                                                                       |-{sos}(131948)
           |                                                                                       |-{sos}(131949)
           |                                                                                       |-{sos}(132241)
           |                                                                                       |-{sos}(132515)
           |                                                                                       |-{sos}(133699)
           |                                                                                       `-{sos}(133861)
           |-systemd(131625)---(sd-pam)(131629)
           |-systemd-hostnam(132336)
           |-systemd-journal(775)
           |-systemd-logind(1006)
           |-systemd-machine(97700)
           |-systemd-udevd(796)---systemd-udevd(133553)
           |-tuned(20126)-+-{tuned}(20128)
           |              |-{tuned}(20129)
           |              `-{tuned}(20130)
           |-virtlogd(97085)
           |-virtnodedevd(131390)-+-{virtnodedevd}(131391)
           |                      |-{virtnodedevd}(131392)
           |                      |-{virtnodedevd}(131393)
           |                      |-{virtnodedevd}(131394)
           |                      |-{virtnodedevd}(131395)
           |                      |-{virtnodedevd}(131396)
           |                      |-{virtnodedevd}(131397)
           |                      |-{virtnodedevd}(131398)
           |                      |-{virtnodedevd}(131399)
           |                      |-{virtnodedevd}(131400)
           |                      |-{virtnodedevd}(131401)
           |                      |-{virtnodedevd}(131402)
           |                      |-{virtnodedevd}(131403)
           |                      |-{virtnodedevd}(131404)
           |                      |-{virtnodedevd}(131405)
           |                      |-{virtnodedevd}(131407)
           |                      |-{virtnodedevd}(131408)
           |                      |-{virtnodedevd}(131409)
           |                      `-{virtnodedevd}(131410)
           `-virtqemud(131345)-+-{virtqemud}(131346)
                               |-{virtqemud}(131347)
                               |-{virtqemud}(131348)
                               |-{virtqemud}(131349)
                               |-{virtqemud}(131350)
                               |-{virtqemud}(131351)
                               |-{virtqemud}(131352)
                               |-{virtqemud}(131353)
                               |-{virtqemud}(131354)
                               |-{virtqemud}(131355)
                               |-{virtqemud}(131356)
                               |-{virtqemud}(131357)
                               |-{virtqemud}(131358)
                               |-{virtqemud}(131359)
                               |-{virtqemud}(131360)
                               |-{virtqemud}(131364)
                               `-{virtqemud}(131365)
