panic: Signal-induced panic

goroutine 35 [running]:
gvisor.googlesource.com/gvisor/runsc/boot.New.func1(0xc0002f8600)
	runsc/boot/loader.go:308 +0x5e
created by gvisor.googlesource.com/gvisor/runsc/boot.New
	runsc/boot/loader.go:306 +0x274e