ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x8086", RUN+="/sayhi"

#!/bin/bash
date +"%Y-%m-%d %H:%M:%S,%3N" >> /saidhi

root@imtrobot:~# lspci -n |grep 8086
00:00.0 0600: 8086:2770 (rev 02)
00:02.0 0300: 8086:2772 (rev 02)
00:1d.0 0c03: 8086:27c8 (rev 01)
[ etc. 12 lines total ]

dmesg | grep -i -e mount -e pci

$ ls -l /sa*
-rw-r--r-- 1 root root 1104 Oct 24 12:37 /saidhi
-rwxr-xr-x 1 root root   29 Oct 24 12:31 /sayhi
-rwxr-xr-x 1 root root   62 Oct 24 12:28 /sayhi2

$ cat /sayhi
#!/bin/bash
/sayhi2 & disown

$ cat /sayhi2
#!/bin/bash
sleep 30
date +"%Y-%m-%d %H:%M:%S,%3N" >> /saidhi

$ cat /etc/udev/rules.d/99-test.rules
ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x8086", RUN+="/sayhi"