W0528 17:59:55.369977   16521 x:0] FATAL ERROR: waiting on pid 30: waiting on PID 30 in sandbox "ci-gvisor-kvm-direct-sandbox-1": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 30: waiting on PID 30 in sandbox "ci-gvisor-kvm-direct-sandbox-1": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0528 17:59:55.392388   28148 x:0] ***************************
I0528 17:59:55.392553   28148 x:0] Args: [/syzkaller/managers/kvm-direct-sandbox/current/image -root /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=kvm -file-access=exclusive -network=sandbox debug -stacks ci-gvisor-kvm-direct-sandbox-1]
I0528 17:59:55.392605   28148 x:0] Version release-20190304.1-233-ged5793808e9d
I0528 17:59:55.392653   28148 x:0] PID: 28148
I0528 17:59:55.392703   28148 x:0] UID: 0, GID: 0
I0528 17:59:55.392735   28148 x:0] Configuration:
I0528 17:59:55.392744   28148 x:0] 		RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root
I0528 17:59:55.392748   28148 x:0] 		Platform: kvm
I0528 17:59:55.392756   28148 x:0] 		FileAccess: exclusive, overlay: false
I0528 17:59:55.392786   28148 x:0] 		Network: sandbox, logging: false
I0528 17:59:55.392793   28148 x:0] 		Strace: false, max size: 1024, syscalls: []
I0528 17:59:55.392797   28148 x:0] ***************************
D0528 17:59:55.392818   28148 x:0] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-1"
D0528 17:59:55.394824   28148 x:0] Signal container "ci-gvisor-kvm-direct-sandbox-1": signal 0
D0528 17:59:55.394924   28148 x:0] Signal sandbox "ci-gvisor-kvm-direct-sandbox-1"
D0528 17:59:55.394937   28148 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-1"
D0528 17:59:55.395132   28148 x:0] urpc: successfully marshalled 110 bytes.
I0528 17:59:55.418178   28148 x:0] Found sandbox "ci-gvisor-kvm-direct-sandbox-1", PID: 15989
I0528 17:59:55.418196   28148 x:0] Retrieving sandbox stacks
D0528 17:59:55.418201   28148 x:0] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-1"
D0528 17:59:55.418206   28148 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-1"
W0528 17:59:55.418234   28148 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 15989: connection refused
retrieving stacks: connecting to control server at PID 15989: connection refused