panic: Signal-induced panic

goroutine 21 [running]:
gvisor.googlesource.com/gvisor/runsc/boot.New.func1(0xc000112de0)
	runsc/boot/loader.go:308 +0x5e
created by gvisor.googlesource.com/gvisor/runsc/boot.New
	runsc/boot/loader.go:306 +0x274e