Deploy a few nodes with --enable-yamux=true

[Menduist]

Added a new flag to nimbus unstable:

• Add Yamux experimental support nimbus-eth2#5080

Could it be set to --enable-yamux=true on linux-07.ih-eu-mda1.nimbus.mainnet libp2p 3 & libp2p 4 nodes.

[jakubgs]

Done:

• de28d461 - nimbus.mainnet: enable yamux for 2 libp2p nodes

infra-nimbus/ansible/group_vars/nimbus.mainnet.yml

Lines 168 to 173 in de28d46

	'linux-07.ih-eu-mda1.nimbus.mainnet': # Doesn't exist yet.
	- { branch: 'stable', num: 1 }
	- { branch: 'libp2p', num: 1 }
	- { branch: 'libp2p', num: 2 }
	- { branch: 'libp2p', num: 3, extra_flags: ['--enable-yamux=true'] }
	- { branch: 'libp2p', num: 4, extra_flags: ['--enable-yamux=true'] }

Effect:

[email protected]:~ % grep yamux /etc/systemd/system/beacon-node-mainnet-libp2p-*.service
/etc/systemd/system/beacon-node-mainnet-libp2p-03.service:    --enable-yamux=true
/etc/systemd/system/beacon-node-mainnet-libp2p-04.service:    --enable-yamux=true