geth error2

goroutine 15411 [select]:                                                                                                                                     [21/1969]
net.(*netFD).connect.func2(0x16de780, 0xc513e15d40, 0xc55da97dc0, 0xc513e15e00, 0xc513e15da0)
        /usr/lib/go-1.8/src/net/fd_unix.go:133 +0x1d5
created by net.(*netFD).connect
        /usr/lib/go-1.8/src/net/fd_unix.go:144 +0x239

goroutine 11556 [select]:
github.com/ethereum/go-ethereum/p2p.(*Peer).pingLoop(0xc47c8e0910)
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/peer.go:197 +0x220
created by github.com/ethereum/go-ethereum/p2p.(*Peer).run
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/peer.go:152 +0x117

goroutine 15383 [select]:
net.(*netFD).connect.func2(0x16de780, 0xc42317c1e0, 0xc43ee9e8c0, 0xc42317c2a0, 0xc42317c240)
        /usr/lib/go-1.8/src/net/fd_unix.go:133 +0x1d5
created by net.(*netFD).connect
        /usr/lib/go-1.8/src/net/fd_unix.go:144 +0x239

goroutine 12426 [IO wait]:
net.runtime_pollWait(0x7f64dc205780, 0x72, 0x2e7)
        /usr/lib/go-1.8/src/runtime/netpoll.go:164 +0x59
        
        ...
        
        
        goroutine 11556 [select]:
github.com/ethereum/go-ethereum/p2p.(*Peer).pingLoop(0xc47c8e0910)
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/peer.go:197 +0x220
created by github.com/ethereum/go-ethereum/p2p.(*Peer).run
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/peer.go:152 +0x117

goroutine 15383 [select]:
net.(*netFD).connect.func2(0x16de780, 0xc42317c1e0, 0xc43ee9e8c0, 0xc42317c2a0, 0xc42317c240)
        /usr/lib/go-1.8/src/net/fd_unix.go:133 +0x1d5
created by net.(*netFD).connect
        /usr/lib/go-1.8/src/net/fd_unix.go:144 +0x239

goroutine 12426 [IO wait]:
net.runtime_pollWait(0x7f64dc205780, 0x72, 0x2e7)
        /usr/lib/go-1.8/src/runtime/netpoll.go:164 +0x59
net.(*pollDesc).wait(0xc4c670bfe8, 0x72, 0x16d68c0, 0x16cfa78)
        /usr/lib/go-1.8/src/net/fd_poll_runtime.go:75 +0x38
net.(*pollDesc).waitRead(0xc4c670bfe8, 0xc53d80be60, 0x20)
        /usr/lib/go-1.8/src/net/fd_poll_runtime.go:80 +0x34
net.(*netFD).Read(0xc4c670bf80, 0xc53d80be60, 0x20, 0x20, 0x0, 0x16d68c0, 0x16cfa78)
        /usr/lib/go-1.8/src/net/fd_unix.go:250 +0x1b7
net.(*conn).Read(0xc524b03e98, 0xc53d80be60, 0x20, 0x20, 0x0, 0x0, 0x0)
        /usr/lib/go-1.8/src/net/net.go:181 +0x70
io.ReadAtLeast(0x7f64dc366818, 0xc524b03e98, 0xc53d80be60, 0x20, 0x20, 0x20, 0xe86b00, 0x5c2000, 0x7f64dc366818)
        /usr/lib/go-1.8/src/io/io.go:307 +0xa9
io.ReadFull(0x7f64dc366818, 0xc524b03e98, 0xc53d80be60, 0x20, 0x20, 0x20, 0xed1b489b2, 0x110dfb9b)
        /usr/lib/go-1.8/src/io/io.go:325 +0x58
github.com/ethereum/go-ethereum/p2p.(*rlpxFrameRW).ReadMsg(0xc4e9f0f800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x180002, 0x0)
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/rlpx.go:628 +0x12b
github.com/ethereum/go-ethereum/p2p.(*rlpx).ReadMsg(0xc48d9cf560, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/rlpx.go:89 +0x165
github.com/ethereum/go-ethereum/p2p.(*Peer).readLoop(0xc5149320f0, 0xc44b95f3e0)
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/peer.go:212 +0x7f
created by github.com/ethereum/go-ethereum/p2p.(*Peer).run
        /build/ethereum-_Cb8ft/ethereum-1.6.7+build10273+yakkety/build/_workspace/src/github.com/ethereum/go-ethereum/p2p/peer.go:151 +0xf2