#!/bin/shcase"${reason}"inBOUND|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)# inform pacredir about reestablished connectionifpgrep-xpacredir>/dev/null;thenkill-HUP$(pgreppacredir)fi;;PREINIT|EXPIRE|INFORM|FAIL|IPV4LL|NAK|NOCARRIER|RELEASE|STOP)# do nothing here...;;esac