Coming only four days after the previous point release, in this case Linux kernel 4.4.55 LTS, the Linux 4.4.56 LTS kernel appears to be a small patch that changes a total of 40 files, with 174 insertions and 1221 deletions, according to the appended shortlog. Most of the improvements are related to the networking stack, but we can also notice a few updated drivers and some arch and filesystem fixes. Looking at the changes brought by the Linux 4.4.56 LTS kernel, we can notice an updated networking stack with improvements to the IPv4 and IPv6 protocols, as well as some enhancements to Bridge, Netlink, packet scheduler, Datagram Congestion Control Protocol (DCCP),Layer 2 Tunneling Protocol (L2TP), and Multiprotocol Label Switching (MPLS).