1, a network host localhost host when using SSR -r forwarding port, fill out a cloud server IP will be localhost parameters, lead to often appear the following error, just log in the shell, pops out this tip

2, individuals trying to solve this problem, close all about SSH process, delete the/root/. SSH/known_hosts record attempts, has yet to solve the problem, a first-time SSH port forwarding, request pass by, show a ~
prompt is as follows:
Wed Oct 16 11:40:28 2019 ERROR: always ioctl TUNSETIFF tap0: Device or resource busy (errno=16)
Wed Oct 16 11:40:28 2019 Exiting due to fatal error
Device br0 already exists; Can 't create bridge with the same name
Device enp3s0 is already a member of a bridge; Can 't enslave it to bridge br0.
Device tap0 is already a member of a bridge; Can 't enslave it to bridge br0.
Interface tap1 does not exist!
SIOCSIFADDR: No to device
Tap1: ERROR while getting interface flags: No to device
Tap1: ERROR while getting interface flags: No to device
Tap1: ERROR while getting interface flags: No to device
SIOCADDRT: File exists
SIOCADDRT: File exists
SIOCADDRT: File exists
SIOCADDRT: File exists