[FS#674] list dhcp_option corrupts odhcp

[LEDE Bugs]

The following task has a new comment added:

FS#674 - list dhcp_option corrupts odhcp
User who did this - duiveldoder (duiveldoder)

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To point out what I mean, because sometimes I write very not understanding:
list dhcp_option '3,172.22.64.1 6,172.22.64.2'  doesn't work, corrupts the router

but this:
list dhcp_option 'option:router,172.22.64.1 option:dns-server,172.22.64.2'

does work. No corruption
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=674#comment2301