I (967) wifi: start 10s connect timer for 4 way handshake
I (977) wifi: rsn valid: gcipher=3 ucipher=3 akm=5

I (987) wifi: connected with ziroom1404, aid = 4, channel 5, BW20, bssid = cc:2d:21:e9:5c:f1
I (987) wifi: security type: 4, phy: bgn, rssi: -39
I (987) wifi: remove all except cc:2d:21:e9 ...

sqw@ubuntu:~/esp/hello_world$ idf.py flash
Checking Python dependencies...
Python requirements from /home/sqw/esp/esp-idf-v4.0/requirements.txt are satisfied.
Adding flash's dependency "all" to list of actions
Executing action: all (aliases: build)
Running ninja in directory /home/sqw/esp/hello ...