Placa de Rede Inspirion 3647

Instalei em um Inspirion 3647 o Linux Mint 21, a placa de rede fica toda hora, desconecta e tenta reconectar: apresenta a seguinte mensagem:

set 18 15:41:41 Inspiron3647 NetworkManager[787]: [1663526501.7043] policy: auto-activating connection 'Conexão cabeada 1' (6a96b920-b0fa-3498-b2a3-c71a3325fdae)
set 18 15:41:41 Inspiron3647 kernel: Generic FE-GE Realtek PHY r8169-0-200:00: Downshift occurred from negotiated speed 1Gbps to actual speed 100Mbps, check cabling!
set 18 15:41:41 Inspiron3647 kernel: r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full (downshifted) - flow control rx/tx
set 18 15:41:41 Inspiron3647 kernel: r8169 0000:02:00.0 enp2s0: Link is Down
set 18 15:41:41 Inspiron3647 NetworkManager[787]: [1663526501.7049] device (enp2s0): Activation: starting connection 'Conexão cabeada 1' (6a96b920-b0fa-3498-b2a3-c71a3325fdae)
set 18 15:41:41 Inspiron3647 NetworkManager[787]: [1663526501.7050] device (enp2s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
set 18 15:41:41 Inspiron3647 NetworkManager[787]: [1663526501.7059] device (enp2s0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
set 18 15:41:41 Inspiron3647 NetworkManager[787]: [1663526501.7073] device (enp2s0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed').

Existe solução? ... ou é problema na placa de rede?