[logging] add %{callpath:5} if the DEBUG verbosity level is set
[logging] add %{callpath:5} if the DEBUG verbosity level is set

%{callpath:5} will print the last 5 callers like '~.a.b.c.d.e'

safchain/skydive,redhat-cip/skydive,redhat-cip/skydive,safchain/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive,skydive-project/skydive,lebauce/skydive,safchain/skydive,redhat-cip/skydive,skydive-project/skydive,lebauce/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive,skydive-project/skydive,lebauce/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive