查看網卡UUID：
nmcli con show 或 nmcli con list
查看網卡mac地址：
nmcli dev show 或 nmcli dev list
[root@vm46 ~]# nmcli --help
Usage: nmcli [OPTIONS] OBJECT { COMMAND | help }
OPTIONS
-t[erse] terse output
-p[retty] pretty output
-m[ode] tabular|multiline output mode
-c[olors] auto|yes|no whether to use colors in output
-f[ields] <field1,field2,...>|all|common specify fields to output
-e[scape] yes|no escape columns separators in values
-a[sk] ask for missing parameters
-s[how-secrets] allow displaying passwords
-w[ait] <seconds> set timeout waiting for finishing operations
-v[ersion] show program version
-h[elp] print this help
OBJECT
g[eneral] NetworkManager's general status and operations
n[etworking] overall networking control
r[adio] NetworkManager radio switches
c[onnection] NetworkManager's connections
d[evice] devices managed by NetworkManager
a[gent] NetworkManager secret agent or polkit agent
m[onitor] monitor NetworkManager changes
[root@vm46 ~]# nmcli con show
NAME UUID TYPE DEVICE
enp0s3 3c36b8c2-334b-57c7-91b6-4401f3489c69 802-3-ethernet enp0s3
enp0s8 00cb8299-feb9-55b6-a378-3fdc720e0bc6 802-3-ethernet enp0s8
[root@vm46 ~]# nmcli dev show
GENERAL.DEVICE: enp0s3
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 08:00:27:21:B2:97
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: enp0s3
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS[1]: 10.0.2.6/24
IP4.GATEWAY: 10.0.2.1
IP4.DNS[1]: 192.168.43.1
IP6.ADDRESS[1]: fe80::9f37:76dc:a4bb:985f/64
IP6.GATEWAY:
GENERAL.DEVICE: enp0s8
GENERAL.TYPE: ethernet
GENERAL.HWADDR: 08:00:27:48:2E:7F
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: enp0s8
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS[1]: 192.168.56.46/24
IP4.GATEWAY:
IP6.ADDRESS[1]: fe80::2e17:9b1d:7b8a:21e9/64
IP6.GATEWAY:
GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536
GENERAL.STATE: 10 (unmanaged)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.ADDRESS[1]: 127.0.0.1/8
IP4.GATEWAY:
IP6.ADDRESS[1]: ::1/128
IP6.GATEWAY: