Nothing appears to be wrong in your debug.log. It looks like your node is connecting and downloading blocks.
How is your mining setup?
If you actually mine blocks you will see things like this:
CreateNewBlock(): total size 1000
Flushing wallet.dat
Flushed wallet.dat 101ms
BitcoinMiner:
proof-of-work found
hash: 000006fd4bb5564dc4c50486c49a17e2fe0ca48bf87076f832c1d60d026f77db
target: 00000fffff000000000000000000000000000000000000000000000000000000
CBlock(hash=1c97479c43e8435cd7d9, PoW=000006fd4bb5564dc4c5, ver=1, hashPrevBlock=63ee26429068a53a39ab, hashMerkleRoot=b7704b3163, nTime=1514879863, nBits=1e0fffff, nNonce=281018368, vtx=1)
CTransaction(hash=b7704b3163, ver=1, vin.size=1, vout.size=1, nLockTime=0)
CTxIn(COutPoint(0000000000, -1), coinbase 04773b4b5a0101062f503253482f)
CTxOut(nValue=10000.00000000, scriptPubKey=0368d568ccf557c37da15707c13f88)
vMerkleTree: b7704b3163
generated 10000.00
keypool keep 3
AddToWallet b7704b3163 new
NotifyTransactionChanged b7704b3163a82e8070504de919cec88cf05df23642e7f9fa76f69668b41cf3e7 status=0
updateWallet b7704b3163a82e8070504de919cec88cf05df23642e7f9fa76f69668b41cf3e7 0
SetBestChain: new best=1c97479c43e8435cd7d9 height=1 work=2097169 date=01/02/2018 07:57:43
ProcessBlock: ACCEPTED
inWallet=1 inModel=0 Index=0-0 showTransaction=0 derivedStatus=0
keypool added key 104, size=101
keypool reserve 4
BitcoinMiner:
proof-of-work found
hash: 00000471ccf65cb3da55115040fbb62d75cb630832956beb48d854fb05de927c
target: 000007d798000000000000000000000000000000000000000000000000000000
CBlock(hash=6fb412e64413e4d82028, PoW=00000471ccf65cb3da55, ver=1, hashPrevBlock=48b0f33bc7ef7833b41f, hashMerkleRoot=0f10785710, nTime=1515230274, nBits=1e07d798, nNonce=443744384, vtx=1)
CTransaction(hash=0f10785710, ver=1, vin.size=1, vout.size=1, nLockTime=0)
CTxIn(COutPoint(0000000000, -1), coinbase 044294505a0104062f503253482f)
CTxOut(nValue=1000.00000000, scriptPubKey=03486979745564f5e0f826c2f3b083)
vMerkleTree: 0f10785710
generated 1000.00
keypool keep 473
Local has found possible valid block... queueing until timestamp is valid
Flushing wallet.dat