192.1.2.23 > 192.1.2.45: icmp: echo request (DF)
192.1.2.45 > 192.1.2.23: icmp: echo reply
192.1.2.23.1025 > 192.1.2.254.domain:  7136+ TXT? 1.1.0.192.in-addr.arpa. (40) (DF)
192.1.2.254.domain > 192.1.2.23.1025:  7136* 0/1/0 (93) (DF)
192.1.2.23 > 192.1.2.45: icmp: echo request (DF)