Fix log message when failing to open bpf maps

s/create/open/

Test: TH
Change-Id: I7fd1b280ab15aaa0757cfb3afcc20bf377a3bcef
diff --git a/service-t/src/com/android/server/net/NetworkStatsService.java b/service-t/src/com/android/server/net/NetworkStatsService.java
index ef6f39a..f835581 100644
--- a/service-t/src/com/android/server/net/NetworkStatsService.java
+++ b/service-t/src/com/android/server/net/NetworkStatsService.java
@@ -565,7 +565,7 @@
                 return new BpfMap<U32, U8>(UID_COUNTERSET_MAP_PATH, BpfMap.BPF_F_RDWR,
                         U32.class, U8.class);
             } catch (ErrnoException e) {
-                Log.wtf(TAG, "Cannot create uid counter set map: " + e);
+                Log.wtf(TAG, "Cannot open uid counter set map: " + e);
                 return null;
             }
         }
@@ -576,7 +576,7 @@
                 return new BpfMap<CookieTagMapKey, CookieTagMapValue>(COOKIE_TAG_MAP_PATH,
                         BpfMap.BPF_F_RDWR, CookieTagMapKey.class, CookieTagMapValue.class);
             } catch (ErrnoException e) {
-                Log.wtf(TAG, "Cannot create cookie tag map: " + e);
+                Log.wtf(TAG, "Cannot open cookie tag map: " + e);
                 return null;
             }
         }
@@ -587,7 +587,7 @@
                 return new BpfMap<StatsMapKey, StatsMapValue>(STATS_MAP_A_PATH,
                         BpfMap.BPF_F_RDWR, StatsMapKey.class, StatsMapValue.class);
             } catch (ErrnoException e) {
-                Log.wtf(TAG, "Cannot create stats map A: " + e);
+                Log.wtf(TAG, "Cannot open stats map A: " + e);
                 return null;
             }
         }
@@ -598,7 +598,7 @@
                 return new BpfMap<StatsMapKey, StatsMapValue>(STATS_MAP_B_PATH,
                         BpfMap.BPF_F_RDWR, StatsMapKey.class, StatsMapValue.class);
             } catch (ErrnoException e) {
-                Log.wtf(TAG, "Cannot create stats map B: " + e);
+                Log.wtf(TAG, "Cannot open stats map B: " + e);
                 return null;
             }
         }
@@ -609,7 +609,7 @@
                 return new BpfMap<UidStatsMapKey, StatsMapValue>(APP_UID_STATS_MAP_PATH,
                         BpfMap.BPF_F_RDWR, UidStatsMapKey.class, StatsMapValue.class);
             } catch (ErrnoException e) {
-                Log.wtf(TAG, "Cannot create app uid stats map: " + e);
+                Log.wtf(TAG, "Cannot open app uid stats map: " + e);
                 return null;
             }
         }