' to generate SVG run plantuml -tsvg gnrc_ipv6_auto_subnets-flow.puml
@startuml

<style>
participant {
	FontColor	#white
	BackGroundColor	#275a4b
	LineColor	#3fa687
	LineThickness	2.0
}

actor {
	FontColor	#white
	BackGroundColor	#275a4b
	LineColor	#3fa687
	LineThickness	2.0
}

note {
	FontColor	white
	BackGroundColor	#30735f
	LineColor	#388d73
}

arrow {
	LineColor	#3fa687
	LineThickness	2.0
}

</style>

skinparam sequence {
	LifeLineBorderColor	#275a4b
	LifeLineBorderThickness	2
}

participant "**A**\n2e:a3:9e:a9:68:<i>23</i>" as A
participant "**B**\n2e:a3:9e:a9:68:<i>42</i>" as B
participant "**C**\n2e:a3:9e:a9:68:<i>f6</i>" as C

note across: <i>Address of **A** < Address of **B** < Address of **C**</i>

note over A: index: 0\nlocal subnets: 2
/ note over C: index: 0\nlocal subnets: 1
/ note over B: index: 0\nlocal subnets: 1

A -> C: I want to create **2** local subnets
A -> B: I want to create **2** local subnets

note over C: index: **2**\ntotal subnets: **3**
/ note over B: index: **2**\ntotal subnets: **3**

C -> A: I want to create **1** local subnet
C -> B: I want to create **1** local subnet

note over A: index: 0\ntotal subnets: **3**
/ note over B: index: 2\ntotal subnets: **4**

B -> C: I want to create **1** local subnet
B -> A: I want to create **1** local subnet

note over A: index: 0 local: 2\ntotal subnets: **4**
/ note over C: index: **3** local: 1\ntotal subnets: **4**
/ note over B: index: 2 local: 1\ntotal subnets: 4

@enduml