fping 5.2

New features

• New option -X / --fast-reachable to exit immediately once N hosts have been found (#260, thanks @chriscray and @gsnw)
• New option -k / -fwmark to set Linux fwmark mask (#289, thanks @tomangert and @deepkv)

Bugfixes and other changes

• Always output fatal error messages (#303, thanks @auerswal)
• Fallback to SO_TIMESTAMP if SO_TIMESTAMPNS is not available (#279, thanks @gsnw)
• Fix "not enough sequence numbers available" error on BSD-like systems (#307, thanks @cagney, @gsnw)
• Fix running in unprivileged mode (#248, thanks @sfan5)
• Fix build issue for NetBSD/alpha (#255, thanks @0-wiz-0)
• Fix build issue for OpenBSD/alpha (#275, thanks @gsnw)
• Fix build warning for long int usage (#258, thanks @gsnw)
• Fix build error with musl libc (#263, thanks @kraj)
• Fix to guard against division by zero (#293, thanks @auerswal)
• Decouple -a/-u effects from -c (#298, thanks @auerswal)
• Added contrib/Dockerfile (#224, thanks @darless)
• Remove host from Netdata chart titles (#253, thanks @ilyam8)
• Add additional tests (#292, #297, thanks @auerswal)
• Update github action os images (#282, thanks @gsnw)
• Fix Azure pipeline tests (#308, thanks @gsnw)
• Various autoconf fixes (#286, #283, thanks @gsnw)
• Extended configure script with --enable-debug and output cpu usage (#311, thanks @gsnw)
• Documentation: Update Netdata website link (#257, thanks @ilyam8)
• Documentation: fix description of --file option (#268, thanks @MohGeek)
• Documentation: improve exit status description (#294, thanks @auerswal)
• Documentation: move description of -i MSEC (#298, thanks @auerswal)
• Documentation: improve help output for options -c and -C (#302, #auerswal)