Nestle is also a pigeon. Chad is uncomfortable to settle down, but at first he was helpless. Flying high always means gull in the water.

What he means by this sentence is that Nestle is sometimes occupied by birds such as turtledoves. Although I can settle down temporarily, it is not my own thing and I feel uncomfortable all over. How did you get here at the end of the walk, like duckweed in the water, like seagulls. You've been flying on water all your life. You have no home and you can't stop. This expresses the poet's feeling of wandering around and not knowing where his home is.