$ sudo restart networking
$ cat /var/log/upstart/networking.log
Listening on LPF/eth0/00:15:5d:52:cd:db
Sending on LPF/eth0/00:15:5d:52:cd:db
Sending on Socket/fallback
DHCPREQUEST of 100.86.20.3 on eth0 to 255.255.255.255 port 67 (xid=0x30df9c2d)
DHCPACK of 100.86.20.3 from 100.86.20.1
RTNETLINK answers: File exists
Unable to set up timer: out of range
Failed to bring up eth0.
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/eth0/00:15:5d:52:cd:db
Sending on LPF/eth0/00:15:5d:52:cd:db
Sending on Socket/fallback
DHCPREQUEST of 100.86.20.3 on eth0 to 255.255.255.255 port 67 (xid=0x39ff7987)
DHCPREQUEST of 100.86.20.3 on eth0 to 255.255.255.255 port 67 (xid=0x39ff7987)
DHCPACK of 100.86.20.3 from 100.86.20.1
RTNETLINK answers: File exists
bound to 100.86.20.3 -- renewal in 4294967295 seconds.
ssh stop/waiting
ssh start/running, process 2604
Confirmed that the RH fix works on Windows Azure:
$ sudo restart networking upstart/ networking. log 00:15:5d: 52:cd:db 00:15:5d: 52:cd:db /www.isc. org/software/ dhcp/
$ cat /var/log/
Listening on LPF/eth0/
Sending on LPF/eth0/
Sending on Socket/fallback
DHCPREQUEST of 100.86.20.3 on eth0 to 255.255.255.255 port 67 (xid=0x30df9c2d)
DHCPACK of 100.86.20.3 from 100.86.20.1
RTNETLINK answers: File exists
Unable to set up timer: out of range
Failed to bring up eth0.
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https:/
Listening on LPF/eth0/ 00:15:5d: 52:cd:db 00:15:5d: 52:cd:db
Sending on LPF/eth0/
Sending on Socket/fallback
DHCPREQUEST of 100.86.20.3 on eth0 to 255.255.255.255 port 67 (xid=0x39ff7987)
DHCPREQUEST of 100.86.20.3 on eth0 to 255.255.255.255 port 67 (xid=0x39ff7987)
DHCPACK of 100.86.20.3 from 100.86.20.1
RTNETLINK answers: File exists
bound to 100.86.20.3 -- renewal in 4294967295 seconds.
ssh stop/waiting
ssh start/running, process 2604
$ ps aux | grep dhc eth0.pid -lf /var/lib/ dhcp/dhclient. eth0.leases eth0
root 2569 0.0 0.1 10232 2416 ? Ss 18:12 0:00 dhclient -1 -v -pf /run/dhclient.