I can confirm that on latest LTS (22.04.4) this is still present. 
This is a major usability issue. I remember having this problem for many year 
now. 

Workaround is clear(killing gvfsd-smb-browse). Even a patch is released
that although not solving the root cause shows that the problem is gvfs
left in a bad state -- see post #45 (William Maddox (wmaddox3rd))

this issue us haunting me almost daily for 5years now. And is a core
userexperience functionality of any user to be able to see shares on a
local network.

Even though its a gvfs issue, ubuntu-desktop shold prioritize fixing
this since it affects such a core UX function.

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gvfs in Ubuntu.
https://bugs.launchpad.net/bugs/1828107

Title:
  gvfs can't list shares from smb servers that disabled SMB1

Status in gvfs:
  Fix Released
Status in gvfs package in Ubuntu:
  Triaged

Bug description:
  After bug #1778322 is fixed (just needs a gvfs rebuild with newer
  samba), samba machines will start to show up again in the "windows
  network" tab in nautilus. But if a server has disabled the SMB1
  protocol, nautilus will show an error when that server is clicked on,
  instead of showing the shares list.

  Even with SMB1 disabled, it should still be technically possible to
  get a share list, since smbclient can do it:

  andreas@nsnx:~$ nmblookup -A 192.168.122.101
  Looking up status of 192.168.122.101
        D-NO-SMB1       <00> -         B <ACTIVE> 
        D-NO-SMB1       <03> -         B <ACTIVE> 
        D-NO-SMB1       <20> -         B <ACTIVE> 
        ..__MSBROWSE__. <01> - <GROUP> B <ACTIVE> 
        WORKGROUP       <00> - <GROUP> B <ACTIVE> 
        WORKGROUP       <1d> -         B <ACTIVE> 
        WORKGROUP       <1e> - <GROUP> B <ACTIVE> 

          MAC Address = 00-00-00-00-00-00

  andreas@nsnx:~$ smbclient -L 192.168.122.101 -N
  WARNING: The "syslog" option is deprecated

        Sharename       Type      Comment
        ---------       ----      -------
        print$          Disk      Printer Drivers
        pub_no_smb1     Disk      
        IPC$            IPC       IPC Service (d-no-smb1 server (Samba, Ubuntu))
  Reconnecting with SMB1 for workgroup listing.
  protocol negotiation failed: NT_STATUS_INVALID_NETWORK_RESPONSE
  Failed to connect with SMB1 -- no workgroup available

  andreas@nsnx:~$ smbclient //192.168.122.101/pub_no_smb1 -U ubuntu%ubuntu -m 
NT1
  WARNING: The "syslog" option is deprecated
  protocol negotiation failed: NT_STATUS_INVALID_NETWORK_RESPONSE

  andreas@nsnx:~$ smbclient //192.168.122.101/pub_no_smb1 -U ubuntu%ubuntu -m 
SMB2
  WARNING: The "syslog" option is deprecated
  Try "help" to get a list of possible commands.
  smb: \> dir
    .                                   D        0  Fri May  3 18:16:38 2019
    ..                                  D        0  Fri May  3 18:15:24 2019
    hello.txt                           N       21  Fri May  3 18:16:12 2019
    hello-from-nsnx.txt                 A        9  Fri May  3 18:16:38 2019

                  20509264 blocks of size 1024. 13121800 blocks
  available

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