panic: Signal-induced panic

goroutine 18 [running]:
gvisor.googlesource.com/gvisor/runsc/boot.New.func1(0xc0003bc480)
	runsc/boot/loader.go:242 +0x50
created by gvisor.googlesource.com/gvisor/runsc/boot.New
	runsc/boot/loader.go:240 +0x11df