W0519 06:48:31.832498   27717 x:0] FATAL ERROR: waiting on pid 26: waiting on PID 26 in sandbox "ci-gvisor-kvm-direct-sandbox-3": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 26: waiting on PID 26 in sandbox "ci-gvisor-kvm-direct-sandbox-3": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0519 06:48:31.894781   40002 x:0] ***************************
I0519 06:48:31.894857   40002 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-3]
I0519 06:48:31.894875   40002 x:0] Version release-20190304.1-210-g4a842836e560
I0519 06:48:31.894881   40002 x:0] PID: 40002
I0519 06:48:31.894903   40002 x:0] UID: 0, GID: 0
I0519 06:48:31.894906   40002 x:0] Configuration:
I0519 06:48:31.894910   40002 x:0] 		RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root
I0519 06:48:31.894914   40002 x:0] 		Platform: kvm
I0519 06:48:31.894921   40002 x:0] 		FileAccess: exclusive, overlay: false
I0519 06:48:31.894946   40002 x:0] 		Network: sandbox, logging: false
I0519 06:48:31.894978   40002 x:0] 		Strace: false, max size: 1024, syscalls: []
I0519 06:48:31.894984   40002 x:0] ***************************
D0519 06:48:31.895017   40002 x:0] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-3"
D0519 06:48:31.897124   40002 x:0] Signal container "ci-gvisor-kvm-direct-sandbox-3": signal 0
D0519 06:48:31.897170   40002 x:0] Signal sandbox "ci-gvisor-kvm-direct-sandbox-3"
D0519 06:48:31.897177   40002 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-3"
D0519 06:48:31.897339   40002 x:0] urpc: successfully marshalled 110 bytes.
I0519 06:48:31.926249   40002 x:0] Found sandbox "ci-gvisor-kvm-direct-sandbox-3", PID: 27431
I0519 06:48:31.926288   40002 x:0] Retrieving sandbox stacks
D0519 06:48:31.926295   40002 x:0] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-3"
D0519 06:48:31.926300   40002 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-3"
W0519 06:48:31.926343   40002 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 27431: connection refused
retrieving stacks: connecting to control server at PID 27431: connection refused