Hi guys, my rig keeps going offline. On restart I see the following

dev/sda2: recovering journal
dev/sda2: clean, 127903/436320 files, number number blocks
Created slice user Slice of miner
Starting user manager for uid 1000
Started session 7 of user miner
Stopping user manager for uid 1000
A slice job is running for raise network (4min/5min3s)
Repeat repeat until time reaches 5 min

Some Claymore Miner information

Cannot resolve 'eth-eu2.nanopool.org'
ETH: Stratum - Cannot connect to eth-eu2.nanopool.org:9999
ETH: Stratum - Failed to connect, retry in 20sec

Repeat repeat

Any idea what is going on or how to find out?