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Awk error

in some rows of tcp dump out put with awk

tcpdump -nnlq -v -X udp  | awk '/ IP /{gsub("[,)]","");ttl=$6;proto=$14;leng=$17;}/ > /{gsub(/:/,"");a=$1;b=$3;}/0x0020:/{n=split(a,s,/[.]/);sub("[.]" s[n] "$"," " s[n],a);n=split(b,s,/[.]/);sub("[.]" s[n] "$"," " s[n],b);$1="";$NF="";gsub(" ..","& ");print a, b, proto,leng,ttl,$0 }'

we got the following error is there any way to prevent it

awk: (FILENAME=- FNR=3510) fatal: Unmatched ( or \(: /[.](hlim$/

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awk '/ IP /{gsub("[,()]","");ttl=$6;proto=$14;leng=$17;}/ > /{gsub(/:/,"");a=$1 " " $3 " ";gsub(/[^.]+ /," & ",a);}/0x0020:/{gsub(/[^.]+$/," &",a);gsub(/[^.]+$/," &",b);$1="";$NF="";gsub(" ..","& ");print a, b, proto,leng,ttl,$0 }'
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Solved but it puts a dot to the end of ip addresses 


178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
37.123.103.5. 137  37.123.103.15.  137    UDP 78 128  00 01 00 00 00 00 00 00 20 46 48 46 41 45 42 45
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
37.123.102.245. 137  37.123.102.255.  137    UDP 78 128  00 01 00 00 00 00 00 00 20 46 48 46 41 45 42 45
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
37.123.98.230. 137  37.123.98.255.  137    UDP 78 128  00 01 00 00 00 00 00 00 20 46 48 46 41 45 42 45
37.123.96.154. 137  37.123.96.159.  137    UDP 78 128  00 01 00 00 00 00 00 00 20 46 48 46 41 45 42 45
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00
37.123.103.20. 137  37.123.103.31.  137    UDP 78 128  00 01 00 00 00 00 00 00 20 45 4e 45 50 45 4f 45
178.20.225.235. 54513  255.255.255.255.  48887    UDP 75 128  05 00 00 00 00 00 00 00 f8 be 00 00 13 00 00 00

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