>>> flannel v0.5.5 Downloading
converted 'https://github.com/coreos/flannel/archive/v0.5.5.tar.gz' (ANSI_X3.4-1968) -> 'https://github.com/coreos/flannel/archive/v0.5.5.tar.gz' (UTF-8)
--2018-10-07 12:52:04--  https://github.com/coreos/flannel/archive/v0.5.5.tar.gz
Resolving github.com (github.com)... 192.30.253.113, 192.30.253.112
Connecting to github.com (github.com)|192.30.253.113|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/coreos/flannel/tar.gz/v0.5.5 [following]
converted 'https://codeload.github.com/coreos/flannel/tar.gz/v0.5.5' (ANSI_X3.4-1968) -> 'https://codeload.github.com/coreos/flannel/tar.gz/v0.5.5' (UTF-8)
--2018-10-07 12:52:05--  https://codeload.github.com/coreos/flannel/tar.gz/v0.5.5
Resolving codeload.github.com (codeload.github.com)... 192.30.253.120, 192.30.253.121
Connecting to codeload.github.com (codeload.github.com)|192.30.253.120|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/buildroot/build/instance-0/output/build/.v0.5.5.tar.gz.A5RwiL/output'

     0K .......... .......... .......... .......... ..........  284K
    50K .......... .......... .......... .......... ..........  607K
   100K .......... .......... .......... .......... .......... 70.3M
   150K .......... .......... .......... .......... ..........  109M
   200K .......... .......... .......... .......... ..........  610K
   250K .......... .......... .......... .......... .......... 89.2M
   300K .......... .......... .......... .......... ..........  132M
   350K .......... .......... .......... .......... ..........  114M
   400K .......... .......... .......... .......... ..........  617K
   450K .......... .......... .......... .......... ..........  129M
   500K .......... .......... .......... .......... ..........  130M
   550K .......... .......... ........                          124M=0.4s

2018-10-07 12:52:06 (1.33 MB/s) - '/home/buildroot/build/instance-0/output/build/.v0.5.5.tar.gz.A5RwiL/output' saved [592242]

ERROR: v0.5.5.tar.gz has wrong sha256 hash:
ERROR: expected: dbbcb08c0e70713b0c920387a9967e5b30ef833c8118c847edbbca4f68ff0562
ERROR: got     : f97cff12074a5fcea6673a56677b893c97e4b8f22e1f8f6d04763cca801299bf
ERROR: Incomplete download, or man-in-the-middle (MITM) attack
converted 'http://sources.buildroot.net/flannel/v0.5.5.tar.gz' (ANSI_X3.4-1968) -> 'http://sources.buildroot.net/flannel/v0.5.5.tar.gz' (UTF-8)
--2018-10-07 12:52:06--  http://sources.buildroot.net/flannel/v0.5.5.tar.gz
Resolving sources.buildroot.net (sources.buildroot.net)... 2606:4700:20::6819:d313, 2606:4700:20::6819:d213, 104.25.210.19, ...
Connecting to sources.buildroot.net (sources.buildroot.net)|2606:4700:20::6819:d313|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 592235 (578K) [application/x-gtar-compressed]
Saving to: '/home/buildroot/build/instance-0/output/build/.v0.5.5.tar.gz.j9emcU/output'

     0K .......... .......... .......... .......... ..........  8% 8.45M 0s
    50K .......... .......... .......... .......... .......... 17% 15.5M 0s
   100K .......... .......... .......... .......... .......... 25% 22.8M 0s
   150K .......... .......... .......... .......... .......... 34% 28.0M 0s
   200K .......... .......... .......... .......... .......... 43% 36.5M 0s
   250K .......... .......... .......... .......... .......... 51% 45.3M 0s
   300K .......... .......... .......... .......... .......... 60% 45.8M 0s
   350K .......... .......... .......... .......... .......... 69% 53.7M 0s
   400K .......... .......... .......... .......... .......... 77% 66.2M 0s
   450K .......... .......... .......... .......... .......... 86% 68.3M 0s
   500K .......... .......... .......... .......... .......... 95% 89.3M 0s
   550K .......... .......... ........                        100% 76.5M=0.02s

2018-10-07 12:52:06 (28.9 MB/s) - '/home/buildroot/build/instance-0/output/build/.v0.5.5.tar.gz.j9emcU/output' saved [592235/592235]

v0.5.5.tar.gz: OK (sha256: dbbcb08c0e70713b0c920387a9967e5b30ef833c8118c847edbbca4f68ff0562)
>>> flannel v0.5.5 Extracting
gzip -d -c /home/buildroot/build/instance-0/dl/flannel/v0.5.5.tar.gz | tar --strip-components=1 -C /home/buildroot/build/instance-0/output/build/flannel-v0.5.5   -xf -
>>> flannel v0.5.5 Patching
>>> flannel v0.5.5 Configuring
mkdir -p /home/buildroot/build/instance-0/output/build/flannel-v0.5.5/_gopath/src/github.com/coreos/
ln -sf /home/buildroot/build/instance-0/output/build/flannel-v0.5.5 /home/buildroot/build/instance-0/output/build/flannel-v0.5.5/_gopath/src/github.com/coreos/flannel
>>> flannel v0.5.5 Building
cd /home/buildroot/build/instance-0/output/build/flannel-v0.5.5/_gopath/src/github.com/coreos/flannel; GOARCH=amd64 GOROOT="/home/buildroot/build/instance-0/output/host/lib/go" CC="/home/buildroot/build/instance-0/output/host/bin/x86_64-amd-linux-gnu-gcc" CXX="/home/buildroot/build/instance-0/output/host/bin/x86_64-amd-linux-gnu-g++" GOTOOLDIR="/home/buildroot/build/instance-0/output/host/lib/go/pkg/tool/linux_amd64" PATH="/home/buildroot/build/instance-0/output/host/bin:/home/buildroot/build/instance-0/output/host/sbin:/sbin:/usr/sbin:/bin:/usr/bin" GOBIN= CGO_ENABLED=1 GOPATH="/home/buildroot/build/instance-0/output/build/flannel-v0.5.5/_gopath"  /home/buildroot/build/instance-0/output/host/bin/go build -v -ldflags "-X github.com/coreos/flannel/version.Version=v0.5.5" -tags "" -o /home/buildroot/build/instance-0/output/build/flannel-v0.5.5/bin/flannel ./.
runtime/cgo
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/endpoints
github.com/coreos/flannel/Godeps/_workspace/src/golang.org/x/net/context
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/go-iptables/iptables
github.com/coreos/flannel/Godeps/_workspace/src/github.com/vaughan0/go-ini
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awserr
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/query/queryutil
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/xml/xmlutil
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/google-api-go-client/googleapi/internal/uritemplates
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials
os/user
net
github.com/coreos/flannel/Godeps/_workspace/src/github.com/golang/glog
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/go-systemd/daemon
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/pkg/flagutil
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/etcd/pkg/types
github.com/coreos/flannel/Godeps/_workspace/src/github.com/vishvananda/netlink/nl
net/textproto
vendor/golang_org/x/net/http/httpproxy
crypto/x509
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/go-systemd/activation
vendor/golang_org/x/net/http/httpguts
github.com/coreos/flannel/Godeps/_workspace/src/github.com/vishvananda/netlink
crypto/tls
github.com/coreos/flannel/pkg/ip
github.com/coreos/flannel/backend
net/http/httptrace
net/http
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/goauth2/oauth
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/google-api-go-client/googleapi
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/etcd/pkg/transport
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws
github.com/coreos/flannel/Godeps/_workspace/src/github.com/gorilla/context
net/http/httputil
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/etcd/client
github.com/coreos/flannel/Godeps/_workspace/src/github.com/gorilla/mux
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/goauth2/compute/serviceaccount
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/service/serviceinfo
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/google-api-go-client/compute/v1
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/request
github.com/coreos/flannel/subnet
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/corehandlers
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/ec2query
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/rest
github.com/coreos/flannel/backend/alloc
github.com/coreos/flannel/backend/hostgw
github.com/coreos/flannel/backend/udp
github.com/coreos/flannel/backend/vxlan
github.com/coreos/flannel/remote
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/service
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/ec2metadata
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/signer/v4
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/defaults
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/service/ec2
github.com/coreos/flannel/backend/gce
github.com/coreos/flannel/backend/awsvpc
github.com/coreos/flannel/network
github.com/coreos/flannel
# github.com/coreos/flannel
/home/buildroot/build/instance-0/output/host/lib/go/pkg/tool/linux_amd64/link: running /home/buildroot/build/instance-0/output/host/bin/x86_64-amd-linux-gnu-gcc failed: exit status 1
/tmp/go-build864714322/b001/exe/a.out: final close failed: Invalid operation
collect2: error: ld returned 1 exit status

package/pkg-generic.mk:229: recipe for target '/home/buildroot/build/instance-0/output/build/flannel-v0.5.5/.stamp_built' failed
make: *** [/home/buildroot/build/instance-0/output/build/flannel-v0.5.5/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/build/instance-0/buildroot'