Linux tonic.o2switch.net 4.18.0-553.30.1.lve.el8.x86_64 #1 SMP Tue Dec 3 01:21:19 UTC 2024 x86_64

//lib/dracut/modules.d/35network-legacy/kill-dhclient.sh

 #!/bin/sh

for f in /tmp/dhclient.*.pid; do
    [ -e $f ] || continue
    read PID < $f;
    kill $PID >/dev/null 2>&1
done

sleep 0.1

for f in /tmp/dhclient.*.pid; do
    [ -e $f ] || continue
    read PID < $f;
    kill -9 $PID >/dev/null 2>&1
done