of arguments was wrong.
.SP
.BI "bad-time-spec " token
-The
+(For commands accepting a
+.I time
+argument.) The
.I token
is not a valid time interval specification. Acceptable time
specifications are nonnegative integers followed optionally by
.IR peer .
.SP
.B "ping-send-failed"
+(For
+.BR EPING .)
The attempt to send a ping packet failed, probably due to lack of
encryption keys.
.SP