14:46:44.553547 IP (tos 0x0, ttl 60, id 35744, offset 0, flags [DF], proto TCP (6), length 40)
    192.168.10.10.0 > 192.168.10.20.0: Flags [DF], cksum 0xcd50 (incorrect -> 0xd550), seq 0, win 65535, length 0

##</code><code>##

my $packet = new Net::RawIP({udp => {check => 0}});

##</code><code>##

my $packet = new Net::RawIP({udp => {}});

##</code><code>##

4:47:22.542872 IP (tos 0x0, ttl 60, id 35885, offset 0, flags [DF], proto UDP (17), length 35)
    192.168.10.10.6544 > 192.168.10.20.514: [bad udp cksum 0xb59d -> 0xbd9d!] [|syslog]