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Old 08-18-2019, 04:36 PM   #1
weephatz
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Registered: Aug 2018
Posts: 9

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Dozens of vmnet interfaces start at boot


Hi,

I think Networking would be the right group for this...

I am running Ubuntu 18.04 on my laptop and I have VMWare installed for a few guest OSes

I have just noticed (not sure if it has always been the case), there seem to be dozens of vmnet interfaces brought up when I boot the laptop:

...snip...
1 S root 3137 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet63.pid /dev/vmnet63 vmnet63
1 S root 3148 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet64.pid /dev/vmnet64 vmnet64
1 S root 3158 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet65.pid /dev/vmnet65 vmnet65
1 S root 3165 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet66.pid /dev/vmnet66 vmnet66
1 S root 3179 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet67.pid /dev/vmnet67 vmnet67
1 S root 3201 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet68.pid /dev/vmnet68 vmnet68
1 S root 3215 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet69.pid /dev/vmnet69 vmnet69
1 S root 3223 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet70.pid /dev/vmnet70 vmnet70
1 S root 3231 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet71.pid /dev/vmnet71 vmnet71
1 S root 3247 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet72.pid /dev/vmnet72 vmnet72
1 S root 3259 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet73.pid /dev/vmnet73 vmnet73
1 S root 3279 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet74.pid /dev/vmnet74 vmnet74
1 S root 3300 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet75.pid /dev/vmnet75 vmnet75
1 S root 3310 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet76.pid /dev/vmnet76 vmnet76
1 S root 3324 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet77.pid /dev/vmnet77 vmnet77
1 S root 3358 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet78.pid /dev/vmnet78 vmnet78
1 S root 3369 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet79.pid /dev/vmnet79 vmnet79
1 S root 3379 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet80.pid /dev/vmnet80 vmnet80
1 S root 3393 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet81.pid /dev/vmnet81 vmnet81
1 S root 3401 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet82.pid /dev/vmnet82 vmnet82
1 S root 3422 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet83.pid /dev/vmnet83 vmnet83
1 S root 3439 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet84.pid /dev/vmnet84 vmnet84
1 S root 3448 1 0 80 0 - 1789 - 22:25 ? 00:00:00 /usr/bin/vmnet-netifup -s 6 -d /var/run/vmnet-netifup-vmnet85.pid /dev/vmnet85 vmnet85
...snip...

Above is a snippet of ps -elf | grep vmn

Can anyone suggest why this is happening and how to prevent it?
PPID is init

I do not have any vmware guests which start at boot
All vmnet interfaces are in the same /24 private subnet (not one I recognise)
All vmnet interfaces have identical Tx packet counts and no Rx, like they are ARPing

Could anyone advise where to start in finding the cause?


***Edit: a quick tcpdump shows the Tx packets are DB-LSP-Disc (Dropbox LAN sync protocol discovery packets)

TIA

Last edited by weephatz; 08-18-2019 at 04:40 PM.
 
Old 08-18-2019, 04:57 PM   #2
permaroot
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Registered: Aug 2019
Location: Arden, NC
Distribution: Arch Linux
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Not sure how well this translates since I’ve never used VMware for Linux but....

On windows every time you create a virtual interface for a VM (even if you delete it from VMware later and make a new one) they are all still stored as virtual interfaces in Windows.


Just delete them all and VMware will create new ones (whichever one(s) you have configured for the vm you are spinning up)
 
  


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