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sasaborsos
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Contributor

Network cable unplugged problem when running multiple machines

When number of simultanious running machines exceed ~30, newly started machines report "Network cable unplugged" and when I try to connect it manually, it fails, saying "Could not connect Ethernet0 to virtual network "/dev/vmnet8". More information can be found in the vmware.log file"

vmware.log reads

2013-04-14T22:31:06.766+01:00| vmx| I120: VMXVmdbEditRemDevices: Reconnect of ethernet0 would be delayed.
2013-04-14T22:31:07.002+01:00| vmx| I120: VMXVmdbSetCfgState: reconnect delay = 5 seconds, reconnectEthVector = 0x1, poll cb status = 0.
2013-04-14T22:31:07.002+01:00| vmx| I120: TOOLS received request in VMX to set option 'synctime' -> '0'
2013-04-14T22:31:07.409+01:00| vmx| I120: VMXVmdb_SetCfgState: cfgReqPath=/vm/#_VMX/vmx/cfgState/req/#c2/, remDevPath=/vm/#_VMX/vmx/vigor/setCfgStateReq/#d70/in/
2013-04-14T22:31:12.424+01:00| vmx| I120: VNET: MACVNetPortOpenDevice: Ethernet0: can't open vmnet device (Device or resource busy)
2013-04-14T22:31:12.425+01:00| vmx| I120: VNET: MACVNetPort_Connect: Ethernet0: can't open data fd
2013-04-14T22:31:12.425+01:00| vmx| I120: Msg_Post: Warning
2013-04-14T22:31:12.425+01:00| vmx| I120: [msg.ethernet.connectionType.connectFail] Delayed connect of network adapter ethernet0 has failed. Please connect it manually by editing virtual machine settings.
2013-04-14T22:31:12.425+01:00| vmx| I120: ----------------------------------------
2013-04-14T22:31:12.429+01:00| vmx| I120: Msg_Post: Error
2013-04-14T22:31:12.429+01:00| vmx| I120: [msg.vnet.connectvnet] Could not connect Ethernet0 to virtual network "/dev/vmnet8". More information can be found in the vmware.log file.
2013-04-14T22:31:12.429+01:00| vmx| I120: [msg.device.badconnect] Failed to connect virtual device Ethernet0.
2013-04-14T22:31:12.429+01:00| vmx| I120: ----------------------------------------
2013-04-14T22:31:26.512+01:00| vmx| I120: VNET: MACVNetPortOpenDevice: Ethernet0: can't open vmnet device (Device or resource busy)
2013-04-14T22:31:26.512+01:00| vmx| I120: VNET: MACVNetPort_Connect: Ethernet0: can't open data fd
2013-04-14T22:31:26.512+01:00| vmx| I120: TOOLS received request in VMX to set option 'synctime' -> '0'
2013-04-14T22:31:26.603+01:00| vmx| I120: Msg_Post: Error
2013-04-14T22:31:26.603+01:00| vmx| I120: [msg.vnet.connectvnet] Could not connect Ethernet0 to virtual network "/dev/vmnet8". More information can be found in the vmware.log file.
2013-04-14T22:31:26.603+01:00| vmx| I120: [msg.device.badconnect] Failed to connect virtual device Ethernet0.
2013-04-14T22:31:26.603+01:00| vmx| I120: ----------------------------------------
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