Vents.js:160 When I run this command `bench start`

[kanel@localhost frappe-bench]$ df -h
Filesystem           Size  Used Avail Use% Mounted on
/dev/mapper/cl-root   50G  6.7G   44G  14% /
devtmpfs             3.8G     0  3.8G   0% /dev
tmpfs                3.8G  152K  3.8G   1% /dev/shm
tmpfs                3.8G   26M  3.8G   1% /run
tmpfs                3.8G     0  3.8G   0% /sys/fs/cgroup
/dev/sda1           1014M  286M  729M  29% /boot
/dev/mapper/cl-home  866G  2.5G  863G   1% /home
tmpfs                777M   24K  777M   1% /run/user/1000