WIP: attenuate ch0 of eNB A at the start

this can probably go away if both eNBs are configured correctly need to see

Change-Id: I7f0371d3319ed5ad9c5c02bef272a0f90e5c91c1
diff --git a/sysmocom/suites/4g2enb/ping.py b/sysmocom/suites/4g2enb/ping.py
index e80b5f1..75cae05 100755
--- a/sysmocom/suites/4g2enb/ping.py
+++ b/sysmocom/suites/4g2enb/ping.py
@@ -18,6 +18,9 @@
 wait(epc.enb_is_connected, enbB)
 print('ENBs is connected to EPC')
 
+rfemu_enbA = enbA.get_rfemu(0)
+rfemu_enbA.set_attenuation(-10)
+
 ue.connect(enbA)
 print('waiting for UE to attach...')
 wait(ue.is_registered)