--- instance0 ---
advertise
connected
written b'central1-bbbbbbbbbbb'
written b'central2a-bbbbbbbbbb'
written b'central2b-bbbbbbbbbbbbbbbbbbbbbbbbbbbb'
written b'central3-aaaaaaaaaaaaaaaaaaaaaaaaaaaaacentral3-bbbbbbbbbbbbbbbbbbbbbbbbbbbbb'
disconnected
--- instance1 ---
connect
service UUID('a5a5a5a5-ffff-9999-1111-5a5a5a5a5a5a')
characteristic1 UUID('00000000-1111-2222-3333-444444444444')
characteristic2 UUID('00000000-1111-2222-3333-555555555555')
characteristic3 UUID('00000000-1111-2222-3333-666666666666')
write1
write2a
exchange mtu
write2b
write3
disconnect
disconnected