[Bug 218191] It does not work to obtain an IP address via DHCP simultaneously for multiple interfaces

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218191

            Bug ID: 218191
           Summary: It does not work to obtain an IP address via DHCP
                    simultaneously for multiple interfaces
           Product: Base System
           Version: 11.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: admin at support.od.ua

It does not work to obtain an IP address via DHCP simultaneously for multiple
interfaces

FreeBSD 11.0-STABLE #0 r314635: Sat Mar  4 02:12:23 EET 2017

# dhclient vtnet3
DHCPDISCOVER on vtnet3 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on vtnet3 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on vtnet3 to 255.255.255.255 port 67 interval 11
DHCPDISCOVER on vtnet3 to 255.255.255.255 port 67 interval 11
DHCPDISCOVER on vtnet3 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on vtnet3 to 255.255.255.255 port 67 interval 9
No DHCPOFFERS received.
No working leases in persistent database - sleeping.

# dhclient vtnet1
ifconfig: ioctl (SIOCAIFADDR): File exists
vtnet1: not found
exiting.

# ps -auxww | grep dhc
root    885   0,0  0,0  10604  1808  -  Is   18:58     0:00,07 dhclient: vtnet2
[priv] (dhclient)
_dhcp   932   0,0  0,0  10604  1848  -  Is   18:58     0:00,01 dhclient: vtnet2
(dhclient)
root   2829   0,0  0,1  10604  2472  -  Is   22:05     0:00,00 dhclient: vtnet3
[priv] (dhclient)
_dhcp  2837   0,0  0,1  10604  2484  -  Is   22:06     0:00,00 dhclient: vtnet3
(dhclient)

# ifconfig | egrep -A 6 'vtnet[0-9]'
vtnet0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
       
options=6c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        ether d2:2d:72:9f:19:f4
        inet6 fe80::d02d:72ff:fe9f:19f4%vtnet0 prefixlen 64 scopeid 0x1
        nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
        media: Ethernet 10Gbase-T <full-duplex>
        status: active
vtnet1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
       
options=6c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        ether 6e:16:cc:eb:22:43
        inet6 fe80::6c16:ccff:feeb:2243%vtnet1 prefixlen 64 scopeid 0x2
        nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
        media: Ethernet 10Gbase-T <full-duplex>
        status: active
vtnet2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
       
options=6c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        ether c2:6c:17:7c:72:0f
        inet6 fe80::c06c:17ff:fe7c:720f%vtnet2 prefixlen 64 scopeid 0x3
        inet 10.10.1.37 netmask 0xffffff00 broadcast 10.10.1.255
        nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
        media: Ethernet 10Gbase-T <full-duplex>
        status: active
vtnet3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       
options=6c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        ether 52:32:a8:cd:d5:03
        inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet 10Gbase-T <full-duplex>
        status: active

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