Clean the logs

The log files usually contain timestamps that indicate when the event happened and log levels (INFO, TRACE, ERROR, etc). Your task is to clean up that information so that only the important piece is present.
log.txt contains the dirty logs.
The program should print the clean logs in the output.
log.txt
03/22 08:51:01 INFO   :...locate_configFile: Specified configuration file: /u/user10/rsvpd1.conf
03/22 08:51:01 INFO   :.main: Using log level 511
03/22 08:51:01 INFO   :..settcpimage: Get TCP images rc - EDC8112I Operation not supported on socket.
03/22 08:51:01 INFO   :..settcpimage: Associate with TCP/IP image name = TCPCS
03/22 08:51:02 INFO   :..reg_process: registering process with the system
03/22 08:51:02 INFO   :..reg_process: attempt OS/390 registration
03/22 08:51:02 INFO   :..reg_process: return from registration rc=0
03/22 08:51:06 TRACE  :...read_physical_netif: Home list entries returned = 7
03/22 08:51:06 INFO   :...read_physical_netif: index #0, interface VLINK1 has address 129.1.1.1, ifidx 0
03/22 08:51:06 INFO   :...read_physical_netif: index #1, interface TR1 has address 9.37.65.139, ifidx 1
03/22 08:51:06 INFO   :...read_physical_netif: index #2, interface LINK11 has address 9.67.100.1, ifidx 2
03/22 08:51:06 INFO   :...read_physical_netif: index #3, interface LINK12 has address 9.67.101.1, ifidx 3

Output
:...locate_configFile: Specified configuration file: /u/user10/rsvpd1.conf
:.main: Using log level 511
:..settcpimage: Get TCP images rc - EDC8112I Operation not supported on socket.
:..settcpimage: Associate with TCP/IP image name = TCPCS
:..reg_process: registering process with the system
:..reg_process: attempt OS/390 registration
:..reg_process: return from registration rc=0
:...read_physical_netif: Home list entries returned = 7
:...read_physical_netif: index #0, interface VLINK1 has address 129.1.1.1, ifidx 0
:...read_physical_netif: index #1, interface TR1 has address 9.37.65.139, ifidx 1
:...read_physical_netif: index #2, interface LINK11 has address 9.67.100.1, ifidx 2
:...read_physical_netif: index #3, interface LINK12 has address 9.67.101.1, ifidx 3
Example log taken from https://www.ibm.com/docs/en/zos/2.2.0?topic=problems-example-log-file
 
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