(process:704): GLib-WARNING **: poll(2) failed due to: Invalid argument.

Using sysctl

$ sysctl net.core.somaxconn
net.core.somaxconn = 128

$ find /usr/include -name socket.h
/usr/include/asm-generic/socket.h
/usr/include/linux/socket.h
/usr/include/x86_64-linux-gnu/bits/socket.h
/usr/include/x86_64-linux-gnu/sys/socket.h
/usr/include/x86_64-linux-gnu/asm/socket.h

/* Maximum queue length specifiable by listen.  */
#define SOMAXCONN       128

References

[1]	Brendan Gregg, http://www.brendangregg.com/perf.html

[2]	perf_event_open, http://man7.org/linux/man-pages/man2/perf_event_open.2.html

[3]	Harry Mangalam, Howto move data, http://moo.nac.uci.edu/~hjm/HOWTO_move_data.html

[4]	Stackoverflow, "Quickest way to transfer 55GB of images to new server", http://serverfault.com/a/208715

[5]	http://unix.stackexchange.com/questions/227951/what-is-the-fastest-way-to-send-massive-amounts-of-data-between-two-computers

[6]	http://superuser.com/questions/760097/why-is-piping-dd-through-gzip-so-much-faster-than-a-direct-copy

[7]	http://intermediatesql.com/linux/scrap-the-scp-how-to-copy-data-fast-using-pigz-and-nc/

[8]	https://en.wikipedia.org/wiki/Link_aggregation

[9]	http://wiki.mikrotik.com/wiki/Manual:Interface/Bonding

[10]	http://louwrentius.com/achieving-450-mbs-network-file-transfers-using-linux-bonding.html

[11]	https://wiki.debian.org/Bonding

[12]	https://www.kernel.org/doc/Documentation/networking/bonding.txt

[13]

[14]	Brendan Gregg, "Performance Analysis Methodology", https://www.youtube.com/watch?v=abLan0aXJkw

[15]	Brendan Gregg, "Linux Performance Tools" https://www.youtube.com/watch?v=FJW8nGV4jxY (part 1), https://www.youtube.com/watch?v=zrr2nUln9Kk (part 2)