[ 4315.179401][T20175] gre: GRE over IPv4 demultiplexor driver
[ 4317.273008][T20198] ip_gre: GRE over IPv4 tunneling driver
[ 4377.883413][T20770] ip6_gre: GRE over IPv6 tunneling driver
[ 4419.888326][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4425.840198][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4430.832191][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.912210][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!