[ 3157.783601][T22571] gre: GRE over IPv4 demultiplexor driver
[ 3159.857480][T22595] ip_gre: GRE over IPv4 tunneling driver
[ 3219.996620][T23177] ip6_gre: GRE over IPv6 tunneling driver
[ 3261.507103][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.202022][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3272.131063][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3277.890022][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!