Make lint happy

Mostly new-style Go build directives

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>

probe/docker/network_linux.go

@@ -1,4 +1,5 @@
 // withNetNS function requires a fix that first appeared in Go version 1.10
+//go:build go1.10
 // +build go1.10
 
 package docker

probe/docker/network_others.go

@@ -1,3 +1,4 @@
+//go:build !linux
 // +build !linux
 
 package docker

probe/endpoint/connection_tracker.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/conntrack.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/dns_snooper.go

@@ -1,3 +1,4 @@
+//go:build (linux && amd64) || (linux && ppc64le)
 // +build linux,amd64 linux,ppc64le
 
 // Build constraint to use this file for amd64 & ppc64le on Linux

probe/endpoint/dns_snooper_others.go

@@ -1,3 +1,4 @@
+//go:build darwin || arm || arm64 || s390x
 // +build darwin arm arm64 s390x
 
 // Cross-compiling the snooper requires having pcap binaries,

probe/endpoint/dns_snooper_test.go

@@ -1,3 +1,4 @@
+//go:build (linux && amd64) || (linux && ppc64le)
 // +build linux,amd64 linux,ppc64le
 
 package endpoint

probe/endpoint/ebpf.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/ebpf_test.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/nat.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/nat_internal_test.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/reporter_linux.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package endpoint

probe/endpoint/reporter_other.go

@@ -1,3 +1,4 @@
+//go:build !linux
 // +build !linux
 
 package endpoint