exit code: 0
====stdout====
====stderr====
/bin/run-parts --verbose /etc/network/if-down.d
ifdown: configuring interface eth0=eth0 (inet)
/bin/run-parts --verbose /etc/network/if-down.d

/sbin/ifconfig eth0 down
/bin/run-parts --verbose /etc/network/if-post-down.d

/bin/run-parts --verbose /etc/network/if-post-down.d