[ 4316.695244][T20204] gre: GRE over IPv4 demultiplexor driver
[ 4318.726445][T20228] ip_gre: GRE over IPv4 tunneling driver
[ 4379.262781][T20801] ip6_gre: GRE over IPv6 tunneling driver
[ 4421.875339][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4427.763272][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4432.947281][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4438.900290][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!