[ 3363.024901][T24842] gre: GRE over IPv4 demultiplexer driver
[ 3364.960148][T24865] ip_gre: GRE over IPv4 tunneling driver
[ 3414.460660][T25437] ip6_gre: GRE over IPv6 tunneling driver
[ 3444.031054][T15533] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3448.893025][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3453.948051][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3458.365041][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3463.420271][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!