--- strace-5.5/ipc_msgctl.c	2020-02-06 17:16:17.000000000 +0200
+++ strace-5.5.mod/ipc_msgctl.c	2020-02-10 14:43:26.826877446 +0200
@@ -48,8 +48,10 @@
 			break;
 		}
 
+#ifndef __ANDROID__
 		tprintf(", key=%u",
 			(unsigned) msqid_ds.msg_perm.NAME_OF_STRUCT_IPC_PERM_KEY);
+#endif
 		printuid(", cuid=", msqid_ds.msg_perm.cuid);
 		printuid(", cgid=", msqid_ds.msg_perm.cgid);
 		tprints("}");