Node fails to join mdb cluster with wsrep_sst_mariabackup due to dependency from socat

WSREP_SST: [ERROR] socat not found in path: /usr/sbin:/sbin:/usr//bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin (20180122 14:55:32.993)

2018-01-22 14:55:32 140617791280896 [ERROR] WSREP: Failed to read 'ready <addr>' from: wsrep_sst_mariabackup --role 'joiner' --address '192.168.104.195' --datadir '/var/lib/mysql/'   --parent '31544'  ''

        Read: '(null)'

2018-01-22 14:55:32 140617791280896 [ERROR] WSREP: Process completed with error: wsrep_sst_mariabackup --role 'joiner' --address '192.168.104.195' --datadir '/var/lib/mysql/'   --parent '31544'  '' : 2 (No such file or directory)

2018-01-22 14:55:32 140618039088896 [ERROR] WSREP: Failed to prepare for 'mariabackup' SST. Unrecoverable.

2018-01-22 14:55:32 140618039088896 [ERROR] Aborting

2018-01-22 14:55:32 140618139555968 [Note] WSREP: Waiting for SST to complete.

2018-01-22 14:55:32 140617799673600 [Note] WSREP: New COMPONENT: primary = yes, bootstrap = no, my_idx = 0, memb_num = 2

2018-01-22 14:55:32 140617799673600 [Note] WSREP: STATE_EXCHANGE: sent state UUID: 8804dc30-ff73-11e7-8389-e33e6fce0d53

2018-01-22 14:55:32 140617799673600 [Note] WSREP: STATE EXCHANGE: sent state msg: 8804dc30-ff73-11e7-8389-e33e6fce0d53

2018-01-22 14:55:32 140617799673600 [Note] WSREP: STATE EXCHANGE: got state msg: 8804dc30-ff73-11e7-8389-e33e6fce0d53 from 0 (t4w5)

2018-01-22 14:55:32 140617799673600 [Note] WSREP: STATE EXCHANGE: got state msg: 8804dc30-ff73-11e7-8389-e33e6fce0d53 from 1 (t4w5)

2018-01-22 14:55:32 140617799673600 [Note] WSREP: Quorum results:

        version    = 4,

        component  = PRIMARY,

        conf_id    = 175,

        members    = 1/2 (joined/total),

        act_id     = 31,

        last_appl. = -1,

        protocols  = 0/7/3 (gcs/repl/appl),

        group UUID = ca2bb6d4-ff5d-11e7-8871-7f48103f96c0

2018-01-22 14:55:32 140617799673600 [Note] WSREP: Flow-control interval: [23, 23]

2018-01-22 14:55:32 140617799673600 [Note] WSREP: Trying to continue unpaused monitor

2018-01-22 14:55:32 140617799673600 [Note] WSREP: Shifting OPEN -> PRIMARY (TO: 31)

2018-01-22 14:55:32 140618039088896 [Note] WSREP: State transfer required:

        Group state: ca2bb6d4-ff5d-11e7-8871-7f48103f96c0:31

        Local state: 00000000-0000-0000-0000-000000000000:-1

2018-01-22 14:55:32 140618039088896 [Note] WSREP: New cluster view: global state: ca2bb6d4-ff5d-11e7-8871-7f48103f96c0:31, view# 176: Primary, number of nodes: 2, my index: 0, protocol version 3

2018-01-22 14:55:32 140618039088896 [Warning] WSREP: Gap in state sequence. Need state transfer.

2018-01-22 14:55:32 140617791280896 [Note] WSREP: Running: 'wsrep_sst_mariabackup --role 'joiner' --address '192.168.104.195' --datadir '/var/lib/mysql/'   --parent '31544'  '' '

WSREP_SST: [INFO] Streaming with xbstream (20180122 14:55:32.986)

WSREP_SST: [INFO] Using socat as streamer (20180122 14:55:32.989)

which: no socat in (/usr/sbin:/sbin:/usr//bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin)

WSREP_SST: [ERROR] socat not found in path: /usr/sbin:/sbin:/usr//bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin (20180122 14:55:32.993)

2018-01-22 14:55:32 140617791280896 [ERROR] WSREP: Failed to read 'ready <addr>' from: wsrep_sst_mariabackup --role 'joiner' --address '192.168.104.195' --datadir '/var/lib/mysql/'   --parent '31544'  ''

        Read: '(null)'

2018-01-22 14:55:32 140617791280896 [ERROR] WSREP: Process completed with error: wsrep_sst_mariabackup --role 'joiner' --address '192.168.104.195' --datadir '/var/lib/mysql/'   --parent '31544'  '' : 2 (No such file or directory)

2018-01-22 14:55:32 140618039088896 [ERROR] WSREP: Failed to prepare for 'mariabackup' SST. Unrecoverable.

2018-01-22 14:55:32 140618039088896 [ERROR] Aborting

Error in my_thread_global_end(): 1 threads didn't exit