Redis Manage redis-server 6.0 with systemd occur an err: redis-server.service: Failed with result 'core-dump'

My systemd file content:

[Unit]
Description=Redis Server
After=network.target

[Service]
Type=notify
User=redis
Group=svc
WorkingDirectory=/data/redis
ExecStart=/opt/redis/current/redis-server /data/redis/redis.conf
ExecStop=/bin/kill -15 $MAINPID || /bin/kill -9 $MAINPID
Restart=always

LimitNOFILE=infinity

CapabilityBoundingSet=CAP_NET_ADMIN
AmbientCapabilities=CAP_NET_ADMIN
NoNewPrivileges=true

[Install]
WantedBy=multi-user.target

I start redis-server 5.0 and 6.0 with command redis-server redis.conf is ok，and manage redis-server 5.0 with above systemd file is also ok，however its fail for 6.0, what happend?

OS: ubuntu 16.0.4

Comment From: yossigo

@MrYourM Is this still relevant? Can you provide a crash dump here please?