[ 2634.475699][T19286] gre: GRE over IPv4 demultiplexor driver
[ 2636.309417][T19309] ip_gre: GRE over IPv4 tunneling driver
[ 2690.986341][T19882] ip6_gre: GRE over IPv6 tunneling driver
[ 2727.763486][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2732.947406][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2737.555414][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2742.867409][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!