运行 OL8（与 RHEL8、CentOS 8 等相同），我看到每 30 分钟大约有 30 行添加到 /var/log/messages 中。我没有看到它报告问题，所以我不明白为什么它如此频繁地这样做。我有办法告诉它记录的频率吗？这是我得到的：
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6685] dhcp4 (eth0): option dhcp_lease_time => '3600'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6686] dhcp4 (eth0): option domain_name => '**********.com'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6687] dhcp4 (eth0): option domain_name_servers => '10.25.8.10'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6687] dhcp4 (eth0): option expiry => '1612282497'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6687] dhcp4 (eth0): option host_name => 'ip-10-25-0-208'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6687] dhcp4 (eth0): option interface_mtu => '9001'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6687] dhcp4 (eth0): option ip_address => '10.25.0.208'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6687] dhcp4 (eth0): option ntp_servers => '23.239.24.67 128.138.141.172 198.55.111.50'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_broadcast_address => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_domain_name => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_domain_name_servers => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_domain_search => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_host_name => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_interface_mtu => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_ms_classless_static_routes => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_nis_domain => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6688] dhcp4 (eth0): option requested_nis_servers => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_ntp_servers => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_rfc3442_classless_static_routes => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_root_path => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_routers => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_static_routes => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_subnet_mask => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_time_offset => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6689] dhcp4 (eth0): option requested_wpad => '1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6690] dhcp4 (eth0): option routers => '10.25.0.1'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6690] dhcp4 (eth0): option subnet_mask => '255.255.254.0'
Feb 2 10:14:57 tbdgprxy NetworkManager[725]: <info> [1612278897.6690] dhcp4 (eth0): state changed extended -> extended