[ 3168.277339][T22579] gre: GRE over IPv4 demultiplexor driver
[ 3170.270942][T22603] ip_gre: GRE over IPv4 tunneling driver
[ 3230.353418][T23183] ip6_gre: GRE over IPv6 tunneling driver
[ 3271.599835][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3277.616800][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3282.736799][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.879790][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!