[ 3923.532383][T20138] gre: GRE over IPv4 demultiplexor driver
[ 3925.608837][T20161] ip_gre: GRE over IPv4 tunneling driver
[ 3988.388949][T20733] ip6_gre: GRE over IPv6 tunneling driver
[ 4032.654319][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4038.670180][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4043.726160][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4049.679156][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!