Host: Ubuntu 16.04.1 LTS
VirtualBox: 5.0.26
Guests: Ubuntu 16.04.1 LTS (2), Windows 10 Desktop, Windows Server 2012 R2 (all have GuestAdditions installed).
Really, this is only an issue for one of the Ubuntu guest servers that I am using as a web server which needs to forward a subdomain to the host for remote administration. The issue does not appear to be firewall related as the firewall is currently disabled on both the host and guest. The host machine is running an IEEE 802.3ad Dynamic link aggregation (4 interfaces on 2 nics) on bond0, and had been before the issue came up. All of the guests are running bridged connections. Here is some relevant info:
Host ifconfig (ipv6 is disabled):
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bond0 Link encap:Ethernet HWaddr 14:fe:b5:c8:70:76
inet addr:192.168.1.80 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MASTER MULTICAST MTU:9000 Metric:1
RX packets:143316 errors:0 dropped:21 overruns:0 frame:0
TX packets:53667 errors:0 dropped:3 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:162887524 (162.8 MB) TX bytes:60901030 (60.9 MB)
eno1 Link encap:Ethernet HWaddr 14:fe:b5:c8:70:76
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:2982 errors:0 dropped:11 overruns:0 frame:0
TX packets:45030 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1901758 (1.9 MB) TX bytes:56471245 (56.4 MB)
eno2 Link encap:Ethernet HWaddr 14:fe:b5:c8:70:76
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:1071 errors:0 dropped:17 overruns:0 frame:0
TX packets:5542 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:134703 (134.7 KB) TX bytes:2500552 (2.5 MB)
eno3 Link encap:Ethernet HWaddr 14:fe:b5:c8:70:76
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:29203 errors:0 dropped:14 overruns:0 frame:0
TX packets:958 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3448725 (3.4 MB) TX bytes:349440 (349.4 KB)
eno4 Link encap:Ethernet HWaddr 14:fe:b5:c8:70:76
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:110060 errors:0 dropped:19 overruns:0 frame:0
TX packets:2137 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:157402338 (157.4 MB) TX bytes:1579793 (1.5 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:136294 errors:0 dropped:0 overruns:0 frame:0
TX packets:136294 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:73987556 (73.9 MB) TX bytes:73987556 (73.9 MB)
tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:10.8.0.1 P-t-P:10.8.0.1 Mask:255.255.255.0
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
virbr0 Link encap:Ethernet HWaddr 52:54:00:8a:37:29
inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
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GNU nano 2.5.3 File: /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eno1
iface eno1 inet manual
bond-master bond0
#bond-primary eno1
auto eno2
iface eno2 inet manual
bond-master bond0
auto eno3
iface eno3 inet manual
bond-master bond0
auto eno4
iface eno4 inet manual
bond-master bond0
auto bond0
iface bond0 inet static
address 192.168.1.80
gateway 192.168.1.1
netmask 255.255.255.0
dns-nameservers 8.8.8.8 8.8.4.4
#bonding protocol
bond-mode 4
bond-miimon 100
bond-lcap-rate 1
bond-slaves eno1 eno2 eno3 eno4
post-up ifconfig eno1 mtu 9000 && ifconfig eno2 mtu 9000 && ifconfig eno3 mtu 9000 && ifconfig eno4 mtu 9000 $
mtu 9000
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enp0s3 Link encap:Ethernet HWaddr 08:00:27:c7:a2:85
inet addr:192.168.1.91 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fec7:a285/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3880 errors:0 dropped:0 overruns:0 frame:0
TX packets:1201 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:505253 (505.2 KB) TX bytes:640914 (640.9 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:16 errors:0 dropped:0 overruns:0 frame:0
TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:960 (960.0 B) TX bytes:960 (960.0 B)
Code: Select all
Name: Ubuntu 16.04 (Web Server)
Groups: /
Guest OS: Ubuntu (64-bit)
UUID: d2c8bc22-2515-42ab-a5e8-b746fd4991e3
Config file: /home/virtualbox/VirtualBox VMs/Ubuntu 16.04 (Web Server)/Ubuntu 16.04 (Web Server).vbox
Snapshot folder: /home/virtualbox/VirtualBox VMs/Ubuntu 16.04 (Web Server)/Snapshots
Log folder: /home/virtualbox/VirtualBox VMs/Ubuntu 16.04 (Web Server)/Logs
Hardware UUID: d2c8bc22-2515-42ab-a5e8-b746fd4991e3
Memory size: 4096MB
Page Fusion: off
VRAM size: 12MB
CPU exec cap: 100%
HPET: off
Chipset: piix3
Firmware: BIOS
Number of CPUs: 2
PAE: off
Long Mode: on
CPUID Portability Level: 0
CPUID overrides: None
Boot menu mode: message and menu
Boot Device (1): Floppy
Boot Device (2): DVD
Boot Device (3): HardDisk
Boot Device (4): Not Assigned
ACPI: on
IOAPIC: on
Time offset: 0ms
RTC: UTC
Hardw. virt.ext: on
Nested Paging: on
Large Pages: off
VT-x VPID: on
VT-x unr. exec.: on
Paravirt. Provider: Default
State: running (since 2016-09-22T17:09:20.370000000)
Monitor count: 1
3D Acceleration: off
2D Video Acceleration: off
Teleporter Enabled: off
Teleporter Port: 0
Teleporter Address:
Teleporter Password:
Tracing Enabled: off
Allow Tracing to Access VM: off
Tracing Configuration:
Autostart Enabled: off
Autostart Delay: 0
Default Frontend:
Storage Controller Name (0): SATA
Storage Controller Type (0): IntelAhci
Storage Controller Instance Number (0): 0
Storage Controller Max Port Count (0): 30
Storage Controller Port Count (0): 1
Storage Controller Bootable (0): on
Storage Controller Name (1): IDE
Storage Controller Type (1): PIIX4
Storage Controller Instance Number (1): 0
Storage Controller Max Port Count (1): 2
Storage Controller Port Count (1): 2
Storage Controller Bootable (1): on
SATA (0, 0): /home/virtualbox/VirtualBox VMs/Ubuntu 16.04 (Web Server)/Ubuntu 16.04 (Web Server).vdi (UUID: 28fc70dd-65e0-4aae-b7c2-bf1ad7b37852)
IDE (1, 0): /usr/share/virtualbox/VBoxGuestAdditions.iso (UUID: d96e8dfe-0cd2-4745-9e44-f4f6f936c188)
NIC 1: MAC: 080027C7A285, Attachment: Bridged Interface 'bond0', Cable connected: on, Trace: off (file: none), Type: 82540EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: deny, Bandwidth group: none
NIC 2: disabled
NIC 3: disabled
NIC 4: disabled
NIC 5: disabled
NIC 6: disabled
NIC 7: disabled
NIC 8: disabled
Pointing Device: PS/2 Mouse
Keyboard Device: PS/2 Keyboard
UART 1: disabled
UART 2: disabled
UART 3: disabled
UART 4: disabled
LPT 1: disabled
LPT 2: disabled
Audio: disabled
Clipboard Mode: disabled
Drag and drop Mode: disabled
Session name: headless
Video mode: 800x600x32 at 0,0 enabled
VRDE: enabled (Address 0.0.0.0, Ports 3382, MultiConn: on, ReuseSingleConn: off, Authentication type: null)
VRDE port: 3382
Video redirection: disabled
VRDE property: TCP/Ports = "3382"
VRDE property: TCP/Address = <not set>
VRDE property: VideoChannel/Enabled = <not set>
VRDE property: VideoChannel/Quality = <not set>
VRDE property: VideoChannel/DownscaleProtection = <not set>
VRDE property: Client/DisableDisplay = <not set>
VRDE property: Client/DisableInput = <not set>
VRDE property: Client/DisableAudio = <not set>
VRDE property: Client/DisableUSB = <not set>
VRDE property: Client/DisableClipboard = <not set>
VRDE property: Client/DisableUpstreamAudio = <not set>
VRDE property: Client/DisableRDPDR = <not set>
VRDE property: H3DRedirect/Enabled = <not set>
VRDE property: Security/Method = <not set>
VRDE property: Security/ServerCertificate = <not set>
VRDE property: Security/ServerPrivateKey = <not set>
VRDE property: Security/CACertificate = <not set>
VRDE property: Audio/RateCorrectionMode = <not set>
VRDE property: Audio/LogPath = <not set>
USB: disabled
EHCI: disabled
XHCI: disabled
USB Device Filters:
<none>
Available remote USB devices:
<none>
Currently Attached USB Devices:
<none>
Bandwidth groups: <none>
Shared folders: <none>
VRDE Connection: not active
Clients so far: 0
Video capturing: not active
Capture screens: 0
Capture file: /home/virtualbox/VirtualBox VMs/Ubuntu 16.04 (Web Server)/Ubuntu 16.04 (Web Server).webm
Capture dimensions: 1024x768
Capture rate: 512 kbps
Capture FPS: 25
Guest:
Configured memory balloon size: 0 MB
OS type: Linux26_64
Additions run level: 2
Additions version: 5.0.26 r108824
Guest Facilities:
Facility "VirtualBox Base Driver": active/running (last update: 2016/09/22 17:09:37 UTC)
Facility "VirtualBox System Service": active/running (last update: 2016/09/22 17:09:39 UTC)
Facility "Seamless Mode": not active (last update: 2016/09/22 17:09:37 UTC)
Facility "Graphics Mode": not active (last update: 2016/09/22 17:09:37 UTC)