panic: Signal-induced panic

goroutine 33 [running]:
gvisor.googlesource.com/gvisor/runsc/boot.New.func1(0xc420123800)
	runsc/boot/loader.go:241 +0x50
created by gvisor.googlesource.com/gvisor/runsc/boot.New
	runsc/boot/loader.go:239 +0x124e