Blame SOURCES/0315-network-ifup.sh-do_static-error-out-if-IP-is-already.patch

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From 32770ca79a1f6828ca9fdf4b6841e6a6d4e4754a Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Wed, 19 Aug 2015 14:00:28 +0200
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Subject: [PATCH] network/ifup.sh:do_static(): error out, if IP is already
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 assigned
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---
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 modules.d/40network/ifup.sh | 9 +++++++++
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 1 file changed, 9 insertions(+)
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diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh
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index 1ee89bf4..e51b453a 100755
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--- a/modules.d/40network/ifup.sh
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+++ b/modules.d/40network/ifup.sh
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@@ -160,6 +160,15 @@ do_static() {
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         return 1
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     fi
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+    ip route get "$ip" | {
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+        read a rest
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+        if [ "$a" = "local" ]; then
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+            warn "Not assigning $ip to interface $netif, cause it is already assigned!"
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+            return 1
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+        fi
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+        return 0
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+    } || return 1
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+
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     [ -n "$macaddr" ] && ip link set address $macaddr dev $netif
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     [ -n "$mtu" ] && ip link set mtu $mtu dev $netif
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     if strstr $ip '*:*:*'; then