# egress capture with sender bound to egress IP 10.0.2.15 (tcpdump vtnet0):
listening on vtnet0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
08:16:09.571310 IP 10.0.2.15.1044 > 255.255.255.255.65535: UDP, length 1
08:16:09.571327 IP 10.0.2.15.1044 > 255.255.255.255.65535: UDP, length 1
08:16:09.571340 IP 10.0.2.15.1044 > 255.255.255.255.65535: UDP, length 1
   ... (20 captured, 108 received by filter, 0 dropped)
# destination address AND port (255.255.255.255:65535 = 0xFF filler bytes of
# the recycled M_SONAME chunk) were never supplied by the process — its
# sendto() sockaddr was exactly 2 bytes: {sa_len=2, sa_family=AF_INET}.