Error message when running zcashd -daemon

They are in debug.log, what’s wrong with my zcash?
2016-08-27 02:00:11 mapWallet.size() = 1
2016-08-27 02:00:11 mapAddressBook.size() = 2
2016-08-27 02:00:11 init message: Loading addresses…
2016-08-27 02:00:11 Loaded 0 addresses from peers.dat 0ms
2016-08-27 02:00:11 dnsseed thread start
2016-08-27 02:00:11 Loading addresses from DNS seeds (could take a while)
2016-08-27 02:00:11 0 addresses found from DNS seeds
2016-08-27 02:00:11 dnsseed thread exit
2016-08-27 02:00:11 net thread start
2016-08-27 02:00:11 addcon thread start
2016-08-27 02:00:11 msghand thread start
2016-08-27 02:00:11 opencon thread start
2016-08-27 02:00:11 init message: Done loading
2016-08-27 02:00:11 ZcashMiner started
2016-08-27 02:00:11 receive version message: /Satoshi:0.11.2/: version 170002, blocks=741, us=104.148.124.158:47560, peer=1
2016-08-27 02:00:11 Added time data, samples 2, offset +0 (+0 minutes)
2016-08-27 02:00:12 keypool reserve 3
2016-08-27 02:00:12 CreateNewBlock(): total size 1000
2016-08-27 02:00:12 Running ZcashMiner with 1 transactions in block (274 bytes)
2016-08-27 02:01:12 Adding fixed seed nodes as DNS doesn’t seem to be available.