Mattermost Server Version: Latest. 4.7.3
Mattermost iOS Version: Latest 1.6.1
iOS Version: Latest 11.2.6
The log looks like this
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/users/me/teams/unread: code=401 rid=exfie7j94ibo9mf7wap8zqakhc uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/users/me/teams/kuzmdm5orjf5mmet4kdcqckpge/channels/members: code=401 rid=dfy4eutyopy6pkb3npgemn9pbc uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/users/me/teams/kuzmdm5orjf5mmet4kdcqckpge/channels: code=401 rid=sw6kyy368j8zuqupqpimjd8n8e uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/users/status/ids: code=401 rid=rdzoy1kjrpf99p3np6gtp5d36h uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/channels/members/me/view: code=401 rid=xy46hp5gh7ru7xwdkfzew8suso uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/users/preferences: code=401 rid=no7r9yycjpgzurade6ens7mkgr uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
[2018/03/10 14:32:11 GMT] [INFO] /api/v4/channels/members/me/view: code=401 rid=3xj848nezjgdbfb4zs8cbypc8h uid= ip=192.168.1.94 Invalid or expired session, please login again. [details: UserRequired]
Cheers.