The version you requested (1:6.6p1-2ubuntu2.10) is not available, but a newer one is (1:6.6p1-2ubuntu2.13). We redirected you there.
This file is indexed.

/etc/network/if-up.d/ is in openssh-server 1:6.6p1-2ubuntu2.13.

This file is owned by root:root, with mode 0o755.

File Mime Type Owner Mode Size
..
/etc/network/if-up.d/openssh-server text/x-shellscript root:root 0o755 755 bytes