Sync master time on network time

[leducp]

To test on real hardware before merge

[github-actions]

File	Coverage	Lines	Branches
All files	77%	80%	75%	✅
lib/include/kickcat/Error.h	91%	100%	83%	✅
lib/include/kickcat/SBufQueue.h	80%	98%	63%	✅
lib/master/include/kickcat/SIIParser.h	91%	100%	83%	✅
lib/master/src/Bus.cc	91%	92%	89%	✅
lib/master/src/CoE.cc	61%	71%	51%	❌
lib/master/src/Link.cc	98%	100%	97%	✅
lib/master/src/MailboxSequencer.cc	97%	100%	94%	✅
lib/master/src/MasterOD.cc	99%	99%	100%	✅
lib/master/src/Prints.cc	95%	95%	95%	✅
lib/master/src/Slave.cc	27%	42%	12%	❌
lib/master/src/dc.cc	0%	0%	0%	❌
lib/slave/src/AbstractESC.cc	92%	100%	84%	✅
lib/slave/src/AbstractEmulatedEEPROM.cc	0%	0%	0%	❌
lib/slave/src/ESMStates.cc	96%	98%	94%	✅
lib/slave/src/ESM.cc	95%	100%	90%	✅
lib/slave/src/PDO.cc	92%	97%	88%	✅
lib/slave/src/ESC/EmulatedESC.cc	57%	63%	51%	❌
lib/slave/src/ESC/Lan9252.cc	0%	0%	0%	❌
lib/src/Frame.cc	98%	100%	97%	✅
lib/src/Mailbox.cc	89%	93%	85%	✅
lib/src/SIIParser.cc	40%	50%	30%	❌
lib/src/protocol.cc	94%	92%	96%	✅
lib/src/CoE/EsiParser.cc	93%	95%	90%	✅
lib/src/CoE/OD.cc	98%	98%	98%	✅
lib/src/CoE/protocol.cc	93%	93%	94%	✅
lib/src/CoE/CiA/DS402/StateMachine.cc	93%	94%	92%	✅
lib/src/CoE/mailbox/request.cc	80%	84%	76%	✅
lib/src/CoE/mailbox/response.cc	91%	96%	87%	✅
lib/src/EoE/protocol.cc	0%	0%	0%	❌

Minimum allowed coverage is 75%

Generated by 🐒 cobertura-action against 87189b2

[leducp]

Some PLLs slaves goes into errors after a few minutes: something wrong with the fix to let the master adjust to the network time.
To be noted that the first slave/reference clock is an ET1100 from Beckhoff so we know for sure that this one is compliant.

slave 1001 al_status=0x18 code=0x0000
slave 1002 al_status=0x08 code=0x0000
slave 1003 al_status=0x08 code=0x0000
slave 1004 al_status=0x08 code=0x0000
slave 1005 al_status=0x08 code=0x0000
slave 1006 al_status=0x08 code=0x0000
slave 1007 al_status=0x08 code=0x0000
slave 1008 al_status=0x08 code=0x0000
slave 1009 al_status=0x08 code=0x0000
slave 1010 al_status=0x08 code=0x0000
slave 1011 al_status=0x14 code=0x0032
slave 1012 al_status=0x08 code=0x0000
slave 1013 al_status=0x08 code=0x0000
slave 1014 al_status=0x08 code=0x0000
slave 1015 al_status=0x08 code=0x0000
slave 1016 al_status=0x08 code=0x0000
slave 1017 al_status=0x08 code=0x0000