dns_split was a comma separated list and moved to use space as separator, provide upgrade code to make sure old configs are converted. Since there was a config upgrade version 11.7 only on master, I pushed it to 11.8 and used dns_split one as 11.7 to be able to backport it to RELENG_2_2. Ticket #4418
Related issues
Bug #4418: IPsec mobile clients - bogus "p" appended to search domain
dns_split was a comma separated list and moved to use space as separator, provide upgrade code to make sure old configs are converted. Since there was a config upgrade version 11.7 only on master, I pushed it to 11.8 and used dns_split one as 11.7 to be able to backport it to RELENG_2_2. Ticket #4418