systemd(1)-+-NetworkManager(1173)-+-{NetworkManager}(1174)
           |                      `-{NetworkManager}(1175)
           |-agetty(1501)
           |-auditd(965)-+-sedispatch(967)
           |             |-{auditd}(966)
           |             `-{auditd}(968)
           |-chronyd(28210)
           |-conmon(45419)---dumb-init(45421)---ovn-controller(45424)-+-{ovn-controller}(45529)
           |                                                          |-{ovn-controller}(45530)
           |                                                          |-{ovn-controller}(45531)
           |                                                          `-{ovn-controller}(45533)
           |-conmon(50945)-+-dumb-init(50947)---neutron-ovn-met(50950)---neutron-ovn-met(51035)
           |               `-privsep-helper(51040)---{privsep-helper}(51041)
           |-conmon(114307)---dumb-init(114309)---multipathd(114312)-+-{multipathd}(114357)
           |                                                         |-{multipathd}(114360)
           |                                                         |-{multipathd}(114361)
           |                                                         |-{multipathd}(114362)
           |                                                         |-{multipathd}(114363)
           |                                                         `-{multipathd}(114364)
           |-conmon(131027)---dumb-init(131029)---nova-compute(131031)-+-{nova-compute}(131281)
           |                                                           |-{nova-compute}(131282)
           |                                                           |-{nova-compute}(131283)
           |                                                           |-{nova-compute}(131284)
           |                                                           |-{nova-compute}(131285)
           |                                                           |-{nova-compute}(131286)
           |                                                           |-{nova-compute}(131287)
           |                                                           |-{nova-compute}(131288)
           |                                                           |-{nova-compute}(131289)
           |                                                           |-{nova-compute}(131290)
           |                                                           |-{nova-compute}(131291)
           |                                                           |-{nova-compute}(131292)
           |                                                           |-{nova-compute}(131293)
           |                                                           |-{nova-compute}(131294)
           |                                                           |-{nova-compute}(131295)
           |                                                           |-{nova-compute}(131296)
           |                                                           |-{nova-compute}(131297)
           |                                                           |-{nova-compute}(131298)
           |                                                           |-{nova-compute}(131299)
           |                                                           |-{nova-compute}(131300)
           |                                                           `-{nova-compute}(131301)
           |-crond(1500)
           |-dbus-broker-lau(998)---dbus-broker(999)
           |-dmeventd(784)-+-{dmeventd}(2061)
           |               `-{dmeventd}(2062)
           |-gssproxy(1196)-+-{gssproxy}(1197)
           |                |-{gssproxy}(1198)
           |                |-{gssproxy}(1199)
           |                |-{gssproxy}(1200)
           |                `-{gssproxy}(1201)
           |-irqbalance(1003)---{irqbalance}(1010)
           |-iscsid(116983)
           |-ovs-vswitchd(1163)-+-{ovs-vswitchd}(23878)
           |                    |-{ovs-vswitchd}(23879)
           |                    |-{ovs-vswitchd}(23880)
           |                    `-{ovs-vswitchd}(23882)
           |-ovsdb-server(1086)
           |-polkitd(1454)-+-{polkitd}(1465)
           |               |-{polkitd}(1466)
           |               |-{polkitd}(1467)
           |               |-{polkitd}(1468)
           |               `-{polkitd}(1470)
           |-rngd(1004)
           |-rpcbind(963)
           |-rsyslogd(1497)-+-{rsyslogd}(1503)
           |                `-{rsyslogd}(1504)
           |-sshd(3239)---sshd-session(131576)---sshd-session(131595)---sudo(131596)---sos(131620)-+-timeout(133562)---package-cleanup(133563)
           |                                                                                       |-timeout(133828)---pstree(133831)
           |                                                                                       |-{sos}(131896)
           |                                                                                       |-{sos}(131897)
           |                                                                                       |-{sos}(131898)
           |                                                                                       |-{sos}(131899)
           |                                                                                       |-{sos}(132227)
           |                                                                                       |-{sos}(132521)
           |                                                                                       |-{sos}(132698)
           |                                                                                       `-{sos}(133700)
           |-systemd(131580)---(sd-pam)(131582)
           |-systemd-hostnam(132326)
           |-systemd-journal(776)
           |-systemd-logind(1006)
           |-systemd-machine(97696)
           |-systemd-udevd(797)---systemd-udevd(133546)
           |-tuned(20126)-+-{tuned}(20128)
           |              |-{tuned}(20129)
           |              `-{tuned}(20130)
           |-virtlogd(97081)
           |-virtnodedevd(131346)-+-{virtnodedevd}(131348)
           |                      |-{virtnodedevd}(131349)
           |                      |-{virtnodedevd}(131350)
           |                      |-{virtnodedevd}(131351)
           |                      |-{virtnodedevd}(131352)
           |                      |-{virtnodedevd}(131353)
           |                      |-{virtnodedevd}(131354)
           |                      |-{virtnodedevd}(131355)
           |                      |-{virtnodedevd}(131356)
           |                      |-{virtnodedevd}(131357)
           |                      |-{virtnodedevd}(131358)
           |                      |-{virtnodedevd}(131359)
           |                      |-{virtnodedevd}(131360)
           |                      |-{virtnodedevd}(131361)
           |                      |-{virtnodedevd}(131362)
           |                      |-{virtnodedevd}(131364)
           |                      |-{virtnodedevd}(131365)
           |                      |-{virtnodedevd}(131366)
           |                      `-{virtnodedevd}(131367)
           `-virtqemud(131302)-+-{virtqemud}(131303)
                               |-{virtqemud}(131304)
                               |-{virtqemud}(131305)
                               |-{virtqemud}(131306)
                               |-{virtqemud}(131307)
                               |-{virtqemud}(131308)
                               |-{virtqemud}(131309)
                               |-{virtqemud}(131310)
                               |-{virtqemud}(131311)
                               |-{virtqemud}(131312)
                               |-{virtqemud}(131313)
                               |-{virtqemud}(131314)
                               |-{virtqemud}(131315)
                               |-{virtqemud}(131316)
                               |-{virtqemud}(131317)
                               |-{virtqemud}(131321)
                               `-{virtqemud}(131322)
