Can somebody tell why 2 and 3 hops(147.149.129.21) are repeated two times?
corizon@rds894a016 : /usr/sbin/traceroute 147.149.129.21
traceroute: Warning: Multiple interfaces found; using 10.187.37.35 @ e1000g1075000:4
traceroute to 147.149.129.21 (147.149.129.21), 30 hops max, 40 byte packets
1 10.187.37.1 (10.187.37.1) 0.962 ms 0.874 ms 0.935 ms
2 btivip02.nat.bt.com (147.149.129.21) 0.864 ms 0.984 ms 0.822 ms
3 btivip02.nat.bt.com (147.149.129.21) 0.984 ms 0.980 ms 0.941 ms