ovs-save: Handle different 'ip addr show' output.
On RHEL 7.4 (with iproute-3.10.0-87), a DHCP provided ipv4 address has the "dynamic" keyword set. For e.g "ip addr show breth0 | grep inet" shows: inet 10.116.248.91/20 brd 10.116.255.255 scope global dynamic breth0 inet6 fe80::250:56ff:fea8:fdf0/64 scope link The keyword "dynamic" (according to 'man ip-address') is only used for ipv6, but in this case this is not true. Our current code will skip the ipv4 address restoration because of this. With this commit, we special case "dynamic" keyword to be valid in case of ipv4. VMware-BZ: #1982196 Signed-off-by: Gurucharan Shetty <firstname.lastname@example.org> Acked-by: Yi-Hung Wei <email@example.com>
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