Cannot connect during initial setup | Flex System x440

One compute node is unable to connect during the initial setup
Use the information in this section to troubleshoot one compute node that is unable to connect during the initial setup.

One compute node experiences a sudden loss of connectivity
Use the information in this section to troubleshoot one compute node that experiences a sudden loss of connectivity.

Two or more compute nodes are unable to communicate during initial setup
Use the information in this section to troubleshoot two or more compute nodes that are unable to communicate during initial setup.

Two or more compute nodes experience a sudden loss of connectivity
Use the information in this section to troubleshoot two or more compute nodes that experience a sudden loss of connectivity.