Here's an example.
"Disconnected
thebland
v0-lbgjqjfbex2e7hiexvv645zb55swfvddjglmxfbej5nbouuyvrla
Reconnecting in 12 seconds (last attempt 50s ago)
j24m2hab4exmz4eof5jws7sjn6vklpc3kymtvzg5etrgpsoifjvq.b32.i2p: bad hint: no colon
N/A N/A allmydata-tahoe/1.10.0 N/A" ------------official
"thebland
v0-lbgjqjfbex2e7hiexvv645zb55swfvddjglmxfbej5nbouuyvrla
127.0.0.1:9726 storage 17:37:08 23-Jun-2018 17:36:31 23-Jun-2018 allmydata-tahoe/1.10.0" ----------I2P-port
"Disconnected
kgn01
v0-m7rxcity4dzavnpleaoq7rtcv6y6bmhqtccd44r6lihffluzqeeq
Reconnecting in 98 seconds (last attempt 21s ago)
127.0.0.1
N/A N/A allmydata-tahoe/1.10.0 N/A" ---------official
"kgn01
v0-qee2uah64kqyrjhkwhjiak25eamg3osdyqrc4h3wek2zssuldzka
127.0.0.1:9741 storage 17:36:41 23-Jun-2018 17:36:31 23-Jun-2018 allmydata-tahoe/1.10.0" ----------I2P-port
One way is to change the "tub.location" option like the guide on echelon.i2p said.
But is there another way for the official client to connect to such servers? I have installed txi2p as the official tahoe-lafs told me to do so.